Tubes & Sample Collection

Sample Storage Container

<h2 dir="ltr">What are Urine Collection Products?</h2>
 Urine collection products for laboratory use are containers and preservative systems designed to collect, stabilize, and transport urine specimens for urinalysis (UA), urine culture (C&amp;S), nucleic acid-based testing (NAAT for STIs), cell-free DNA (cfDNA) liquid biopsy, and 24-hour timed collections. Formats include sterile cups (30&ndash;60 mL), preservative tubes (5&ndash;50 mL), vacuum-draw urine transfer tubes, 24-hour collection containers (2&ndash;3 L), and preservative-prefilled devices for ambient-temperature stabilization of DNA, RNA, and proteins. Choose urine collection products with an active preservative when specimens cannot be processed within 2 hours of collection, when samples must be shipped to a centralized lab, or when nucleic acid integrity over 24+ hours is required.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Sterile urine collection containers for routine diagnostic sampling</li>
<li dir="ltr" role="presentation">Urine transport tubes for secure handling and transfer workflows</li>
<li dir="ltr" role="presentation">Preservative urine tubes for culture and urinalysis stability</li>
<li dir="ltr" role="presentation">Midstream urine collection systems for contamination reduction</li>
<li dir="ltr" role="presentation">24-hour urine collection containers for metabolic testing workflows</li>
<li dir="ltr" role="presentation">Leak-resistant screw-cap urine tubes for safe transport</li>
<li dir="ltr" role="presentation">Graduated urine containers with volume markings for easy measurement</li>
<li dir="ltr" role="presentation">Pediatric urine collection solutions for low-volume sampling</li>
<li dir="ltr" role="presentation">Closed-system urine transfer devices for reduced exposure handling</li>
<li dir="ltr" role="presentation">General laboratory urine collection consumables for research use</li>
</ul>
<h2 dir="ltr"> How to Choose Urine Collection Products</h2>
 Application: Culture vs. NAAT vs. Nucleic Acid Research For culture (C&amp;S), use sterile cups or boric acid preservative tubes. For NAAT (STI panels for Chlamydia, Gonorrhea), use sterile cups or manufacturer-validated transfer tubes; confirm with your platform's IFU (e.g., Hologic Aptima Combo 2 uses a specific urine transport tube). For nucleic acid research (cfDNA, RNA, protein), use dedicated urine preservative tubes (Norgen, Streck) that stabilize analytes for up to 72 hours at room temperature. Volume: Random vs. 24-Hour Collection Random midstream urine (10&ndash;30 mL) is adequate for urinalysis, culture, and NAAT. Timed 24-hour collections (total volume 500&ndash;3000 mL) require large-volume containers with the appropriate preservative for the ordered panel. Mixing 24-hour containers with different preservatives is a common error&mdash;verify the correct preservative type with the laboratory before dispensing to the patient. Preservative Compatibility Boric acid tubes maintain bacterial counts for culture up to 24 hours at room temperature. Boric acid is NOT compatible with NAAT workflows&mdash;it inhibits PCR. For NAAT, use plain sterile containers or manufacturer-specific transfer tubes. For liquid biopsy cfDNA, Streck Cell-Free DNA Urine Preservative maintains cell integrity and prevents genomic DNA contamination for up to 72 hours. Sterility All urine containers intended for culture must be certified sterile. Containers for NAAT must be certified DNase-free and RNase-free to prevent nucleic acid contamination from the container. Confirm sterility and nuclease-free certification in the manufacturer's datasheet before use in molecular workflows. Automated Compatibility For high-throughput labs using automated urine analyzers (Sysmex UF-5000, Siemens CLINITEK), confirm that the collection tube format and cap design are compatible with tube-handling robotics. Copan UriSponge&reg; (FDA-cleared October 2024) is a boric-acid-free device validated for direct loading on WASP&reg; automation systems. 
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<h2 dir="ltr">Specifications Context</h2>
 Standard urine collection cups are manufactured from transparent polypropylene (PP) or polystyrene (PS) with wide-mouth, screw-cap lids. Sterile cups rated for culture meet ISO 7886 and are non-pyrogenic. Boric acid preservative tubes contain approximately 1.8% boric acid, stabilizing bacterial counts by creating a bacteriostatic environment. Norgen urine preservative tubes (5&ndash;50 mL, available in multiple sizes) stabilize DNA, RNA, microRNA, and protein from fresh urine for over 2 years at room temperature per manufacturer validation data. As of 2026, liquid biopsy studies using urine cfDNA routinely use Streck Cell-Free DNA Urine Preservative (3 mL per 30 mL urine) as the standard stabilization protocol in published clinical research protocols. 
Need help picking the right urine collection setup? <a href="https://mbpinc.net/contact-us">Contact MBP</a>, and we&rsquo;ll help you sort it out fast. No confusion, just the right fit for your workflow.

Urine Collection Products

Large Capacity Leak Resistant Containers

Globe Scientific 6540 is a 250 mL (8 oz) polypropylene container with a separate ribbed yellow PE screw cap. Molded graduations, stackable, non-sterile, 100 per case. For histology specimen storage, gross pathology, and large-volume clinical containment.

Manufacture

Container: Histology, 250mL (8oz), PP, Graduated, with Separate Yellow Screwcap, CS/100

Container: Histology, 500mL (16oz), PP, Graduated, with Separate Yellow Screwcap, CS/100

Container: Histology, 1000mL (32oz), PP, Graduated, with Separate Yellow Screwcap, CS/100

Large Volume Centrifuge Tubes

<h2 data-section-id="kb9bww" data-start="0" data-end="42">What Are Large Volume Centrifuge Tubes?</h2>
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Large volume centrifuge tubes are polypropylene conical-bottom vessels available in 250 mL and 500 mL formats, designed for preparative and process-scale centrifugation at speeds of up to 6,000&ndash;7,500 &times; g in compatible swing-bucket or fixed-angle rotors. These tubes are used for applications such as cell harvesting from bioreactors, viral vector and vaccine production, large-scale protein precipitation, gradient preparation, and clarification of culture supernatants where 50 mL tubes are insufficient.
Polypropylene construction provides resistance to most organic solvents, stability across a temperature range of &minus;80 &deg;C to +120 &deg;C, and full autoclavability for sterile processing workflows.
Use 250 mL or 500 mL centrifuge tubes for process-scale volumes above 50 mL when compatible large-capacity rotors and support systems are available.
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<h2 dir="ltr">This section contains:</h2>
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<a href="https://mbpinc.net/consumables/centrifuge-tubes/large-volume-centrifuge-tubes/250ml-centrifuge-tubes" title="250mL Centrifuge Tubes">250mL Centrifuge Tubes </a>&ndash; Optimized for pilot-scale harvesting and efficient mid-range sample concentration.
<a href="https://mbpinc.net/consumables/centrifuge-tubes/large-volume-centrifuge-tubes/500ml-centrifuge-tubes" title="500mL Centrifuge Tubes">500mL Centrifuge Tubes</a> &ndash; Industrial-strength vessels designed for bulk bioprocessing and high-capacity separations.
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<h2 data-section-id="1riycx1" data-start="904" data-end="950">How to Choose Large Volume Centrifuge Tubes</h2>
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250 mL vs 500 mL
Choose 250 mL tubes when process volumes per tube run 150&ndash;240 mL &mdash; overfilling beyond ~80% of rated volume risks spill and cap failure. 500 mL tubes are used for volumes from 300&ndash;480 mL, common in vaccine and viral vector production, large-scale mammalian cell culture harvest, and preparative density-gradient centrifugation. The 500 mL tube has a larger diameter (95 mm) and shorter height (146 mm) than the 250 mL tube (60 mm &times; 160 mm), requiring a different rotor adapter.
Support Cushions and Rotor Compatibility
Large volume centrifuge tubes require properly fitted rotor support cushions (typically made from polyetherimide or similar materials) unless the rotor is specifically designed for direct tube support. These cushions prevent tube wall deformation under centrifugal force. Without correct support, tube failure may occur. Compatibility between tubes, cushions, and rotor buckets must always be confirmed before use.
Cap Type: Plug-Seal vs Flat Screw Cap
Plug-seal screw caps made from high-density polyethylene (HDPE) provide an internal sealing mechanism that improves leak resistance during high-force centrifugation, especially with viscous or biohazardous materials. Flat screw caps are generally used for lower-risk applications involving mixing or storage. Large volume polypropylene tubes are typically supplied with plug-seal caps rated for reliable containment under pressure conditions.
Sterility and Certification
Sterile large volume centrifuge tubes are gamma-irradiated to achieve a sterility assurance level (SAL) of 10⁻⁶ and are required for applications such as viral vector production, vaccine manufacturing, and primary cell culture workflows. Non-sterile RNase-free and DNase-free tubes are suitable for chemical processing steps and downstream analytical procedures where sterility is not critical.
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<h2 data-section-id="1xe8cvr" data-start="3019" data-end="3066">Compare Large Volume Centrifuge Tube Formats</h2>
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250 mL polypropylene conical centrifuge tubes are designed for intermediate process-scale applications. These tubes typically measure around 60 mm in diameter and 160 mm in height and are rated for centrifugal forces up to approximately 6,000&ndash;7,500 &times; g. They are commonly supplied sterile with HDPE plug-seal caps and are packaged in bags, often in case quantities of around 70 tubes per case.
500 mL polypropylene conical centrifuge tubes are intended for large-scale processing applications involving high culture volumes or bulk precipitation workflows. These tubes typically measure around 95 mm in diameter and 146 mm in height and are rated up to approximately 6,000 &times; g. They are supplied sterile with HDPE plug-seal caps and are commonly packaged in case quantities of around 40 tubes per case.
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<h2 data-section-id="1jl751w" data-start="3881" data-end="3906">Specifications Context</h2>
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Large volume polypropylene centrifuge tubes are manufactured from high-clarity polypropylene resin and are certified sterile, RNase-free, DNase-free, and pyrogen-free. Sterile lots are typically gamma-irradiated to SAL 10⁻⁶ in accordance with ISO 11137 standards. Molded graduations allow approximate volume estimation without removing tubes from the centrifuge rotor.
As of 2026, MBP stocks both 250 mL and 500 mL large volume centrifuge tube formats. Support cushions and rotor-specific accessories are typically required and must be verified for compatibility prior to ordering.
Ready to secure your high-volume runs? <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Reach out to the Molecular Biology Products Inc. team</a> for a custom quote today.

<h2>What Are 250 mL Centrifuge Tubes?</h2>
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250 mL centrifuge tubes are large-volume polypropylene conical tubes designed for processing sample volumes that exceed the capacity of standard 50 mL conical tubes. They are commonly used for cell culture harvests, density-gradient separations, protein precipitation, viral workflows, and other preparative laboratory applications.
These tubes provide an efficient solution for handling medium- to large-scale samples while remaining easier to manage than 500 mL formats. Most models feature leak-resistant caps, molded graduations, and compatibility with swing-bucket centrifuge rotors designed for large-volume processing.
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<h2>What we offer at MBP:</h2>
&nbsp;
<ul>
<li>250 mL centrifuge tubes with leak-proof caps and molded graduations</li>
<li>Tubes with transfer-cap configurations for closed-system fluid handling</li>
<li>Gamma-irradiated sterile tubes for biopharmaceutical and cell culture applications</li>
<li>Autoclavable polypropylene vessels for repeated sterilization cycles</li>
<li>RNase-free and DNase-free tubes for molecular biology workflows</li>
<li>Large-volume centrifuge tubes designed for demanding processing applications</li>
</ul>
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<h2>How to Choose 250 mL Centrifuge Tubes</h2>
&nbsp;
Rotor Compatibility Verify that your centrifuge system supports 250 mL tubes and any required adapters or support cushions. Proper rotor compatibility is essential for safe and reliable operation during centrifugation.
Sterility Requirements Sterile, gamma-irradiated tubes are recommended for cell culture, viral, and sensitive biological applications. Non-sterile options are suitable for general laboratory processing and chemical workflows where sterility is not required.
Graduations and Visibility Molded graduations provide convenient approximate volume measurements and should remain visible after repeated use and sterilization procedures.
Packaging and Supply Planning Large-volume centrifuge tubes are often supplied in moderate case quantities. Laboratories with frequent processing requirements may benefit from maintaining regular inventory levels to avoid workflow interruptions.
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<h2>Specifications Context</h2>
&nbsp;
250 mL centrifuge tubes are typically manufactured from high-clarity polypropylene and fitted with secure, leak-resistant caps for safe sample handling. Many products are autoclavable and suitable for temperature ranges commonly encountered in laboratory storage and sterilization procedures.
Sterile versions are available with certifications such as RNase-free, DNase-free, and non-pyrogenic status to support molecular biology and bioprocessing applications. Proper accessories, including compatible rotor cushions and adapters, should always be verified before use.
As of 2026, MBP offers large-volume centrifuge tubes for research, clinical, and bioprocessing laboratories. <a href="https://mbpinc.net/contact-us">Contact the Molecular Biology Products Inc. team</a> for product information and technical support.

250ml Centrifuge Tubes

<h2 data-section-id="57m9pt" data-start="0" data-end="36">What Are 500 mL Centrifuge Tubes?</h2>
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500 mL centrifuge tubes are large-format polypropylene conical vessels used for process-scale centrifugation applications where sample volumes exceed approximately 300 mL per tube. These tubes typically have standard dimensions of 95 mm outer diameter and 146 mm height, and feature a conical bottom that enables efficient pellet formation and recovery. They are rated for use up to 6,000 &times; g in a compatible swing-bucket rotor system equipped with polyetherimide (PEI) support cushions.
These tubes are commonly used in large-scale mammalian cell culture harvesting from bioreactors, viral vector production (including AAV and lentivirus), vaccine manufacturing workflows, large-volume density-gradient separations, and preparative-scale protein or nucleic acid precipitation.
500 mL centrifuge tubes are used when process volumes are 300&ndash;480 mL per run and a 250 mL tube would require multiple centrifugation cycles.
<h2 dir="ltr">&nbsp;</h2>
<h2 dir="ltr">The MBP Quality Standard:</h2>
&nbsp;
<ul>
<li dir="ltr">High-capacity 500ml vessels for industrial-strength bulk concentration.</li>
<li dir="ltr">Bi-directional transfer caps with silicone tubing for closed-system fluid handling.</li>
<li dir="ltr">Gamma-irradiated sterile containers validated for aseptic processing.</li>
<li dir="ltr">Chemical-resistant construction for durability against aggressive buffers.</li>
</ul>
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<h2 data-section-id="1njhdwk" data-start="971" data-end="1011">How to Choose 500 mL Centrifuge Tubes</h2>
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Rotor Compatibility First
500 mL centrifuge tubes require a compatible swing-bucket rotor system that can accommodate a 95 mm tube diameter along with appropriate PEI support cushions. Common compatible systems include Thermo Fisher TX-750 and equivalent swing-bucket rotor models. It is essential to confirm both rotor bucket compatibility and correct cushion part numbers before use.
Using 500 mL tubes without proper support cushions or in incompatible rotors can lead to tube deformation or failure even at relatively low centrifugal forces.
Sterility for Bioproduction Workflows
Sterile 500 mL centrifuge tubes are gamma-irradiated to a sterility assurance level (SAL) of 10⁻⁶ and are certified RNase-free, DNase-free, and non-pyrogenic. These are required for bioproduction applications such as viral vector manufacturing, vaccine production, and primary cell culture workflows.
Non-sterile tubes may be used for downstream processing steps, chemical precipitation, or other laboratory applications where sterility is not required.
Cap Integrity and Leak Prevention
500 mL tubes are equipped with HDPE plug-seal screw caps that create an internal compression seal within the tube neck. This design provides leak resistance up to 95 kPa (14 psi), which is important for handling biohazardous or high-risk samples such as BSL-2 cell lines or viral vectors.
Proper cap closure is critical before centrifugation; caps must be fully tightened without cross-threading to ensure safe operation.
Pack Size and Ordering Considerations
These tubes are typically supplied in packs of 5 tubes per bag and 8 bags per case, totaling 40 tubes per case. Because of the relatively low number of tubes per case compared to smaller formats, laboratories performing high-throughput bioprocessing often maintain standing purchase orders to avoid supply interruptions.
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<h2 data-section-id="1hsndwv" data-start="2893" data-end="2933">Specifications Context</h2>
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500 mL polypropylene centrifuge tubes are manufactured from high-clarity polypropylene resin and are certified RNase-free, DNase-free, and non-pyrogenic. Sterilization is performed via gamma irradiation in compliance with ISO 11137 standards, achieving a sterility assurance level of 10⁻⁶. Molded graduations on the tube body allow approximate volume measurement without removing the tube from the centrifuge rotor.
As of 2026, MBP supplies 500 mL large volume centrifuge tubes; availability, brand options, and lot-specific details may vary. Support cushions are required for safe operation and must be confirmed as compatible with the selected rotor system prior to ordering.
Secure your research and your results. <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Connect with the experts at Molecular Biology Products Inc.</a> for a quote.

500ml Centrifuge Tubes

Flyer

6334 by Globe Scientific is a 225 mL polypropylene centrifuge tube with an attached HDPE plug-seal cap, rated to 7,500 × g. Gamma-irradiation sterilized (SAL 10⁻⁶, ISO 11137), DNase/RNase-free, non-pyrogenic, autoclavable at 121°C, and freezable to −40°C. Manufactured under ISO 13485:2016 and ISO 9001:2015 in a Class 100,000 cleanroom. 48 tubes/case (6/bag).

Centrifuge Tube, 225mL Large Volume, Attached White Screw Cap, PP, 6/Bag, CS/48

Centrifuge Tube, 250mL Large Volume, Attached White Screw Cap, PP, 6/Bag, CS/48

Centrifuge Tube, 500mL Large Volume, Attached White Screw Cap, PP, 6/Bag, CS/36

Centrifuge Tubes

<h2>What Are Centrifuge Tubes?</h2>
 Centrifuge tubes are cylindrical laboratory containers with caps that are used to separate, pellet, and store biological or chemical samples through centrifugal force. They are commonly made from polypropylene (PP) or polystyrene (PS) and are available in sizes ranging from small 0.5 mL microtubes to larger 50 mL conical tubes. These tubes are widely used for cell pelleting, protein precipitation, DNA and RNA extraction, tissue homogenate clarification, and long-term sample storage. Depending on the material, they can withstand temperatures from &minus;80 &deg;C to +121 &deg;C.
In short, the best centrifuge tube depends on your centrifuge rotor, required g-force, sample volume, and sterility needs. 
<h2>What You Will Find: </h2>
<ul>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes" title="All Centrifuge Tubes">All Centrifuge Tubes</a>: Comprehensive selection of 15 mL and 50 mL conical tubes with clear graduations for daily lab workflows.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/oak-ridge-style-centrifuge-tubes" title="Oak Ridge Style Centrifuge Tubes">Oak Ridge Style Centrifuge Tubes</a>: High-speed, chemical-resistant tubes designed to withstand extreme RCF without deformation.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/centrifuge-bottles" title="Centrifuge Bottles">Centrifuge Bottles</a>: Heavy-duty, larger-capacity vessels engineered for bulk sample processing and high-velocity runs.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/large-volume-centrifuge-tubes" title="Large Volume Centrifuge Tubes">Large Volume Centrifuge Tubes</a>: Industrial-strength 250 mL and 500 mL tubes optimized for pilot-scale harvesting and bioprocessing.</li>
</ul>
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<h2>How to Choose Centrifuge Tubes</h2>
 Volume and Rotor Compatibility
Select a tube size that matches both your sample volume and centrifuge rotor. Microtubes ranging from 0.5&ndash;2 mL are commonly used in microcentrifuges and can typically handle speeds up to 20,000 &times; g. Midi tubes in the 5&ndash;10 mL range are suitable for intermediate sample volumes, while 15 mL and 50 mL conical tubes are commonly used in clinical, research, and preparative centrifuges.
Material: Polypropylene vs. Polystyrene
Polypropylene (PP) tubes offer excellent chemical resistance and can tolerate temperatures from &minus;80 &deg;C to +121 &deg;C. They are suitable for autoclaving and exposure to many laboratory solvents. Polystyrene (PS) tubes provide superior optical clarity, making it easier to visually inspect samples and liquid levels, but they have lower resistance to solvents and extreme temperatures.
Sterility and Contamination Control
Sterile centrifuge tubes are typically gamma- or E-beam-irradiated and certified free of RNase, DNase, and pyrogens. These tubes are recommended for RNA extraction, cell culture, and clinical applications where contamination must be minimized. Non-sterile tubes may still be RNase- and DNase-free and are often suitable for routine DNA work and general sample storage.
Cap Design
Attached screw caps help prevent cap mix-ups and sample contamination, especially in high-throughput laboratories. Separate caps can be quicker to open and may be preferred in workflows that require frequent access to samples. If tubes will be used with automated systems, cap dimensions should be verified for compatibility with liquid handling equipment.
Packaging Options
Racked tubes provide convenient organization and allow direct pipetting while the tubes remain in the rack. Bulk-bagged tubes offer a more economical option for laboratories that process large volumes of samples and already have tube storage systems in place.
<h2> Comparing Common Centrifuge Tube Types</h2>
 Microtubes (0.5&ndash;2 mL) are ideal for PCR preparation, microcentrifuge applications, and storage of small sample volumes. They can generally withstand centrifugal forces up to 20,000 &times; g.
Midi tubes (5&ndash;10 mL) are designed for intermediate sample volumes such as culture supernatants and can typically tolerate forces up to 16,000 &times; g.
Sterile 15 mL conical tubes are frequently used for cell pelleting, RNA extraction, and clinical sample processing, with typical ratings between 12,000 and 15,000 &times; g.
Sterile 50 mL conical tubes are commonly selected for larger-volume applications including tissue culture work, density gradient preparation, and large-scale sample processing.
Polystyrene conical tubes in 15 mL and 50 mL formats are often chosen when visual sample inspection is important and solvent exposure is minimal.
<h2> Specifications and Features</h2>
 Polypropylene centrifuge tubes from Globe Scientific and Nest Scientific are manufactured from USP Class VI virgin resin and do not contain plasticizers or processing additives. Sterile products are typically irradiated to achieve a sterility assurance level (SAL) of 10⁻⁶. Most 15 mL tubes feature graduation marks at 1 mL intervals, while 50 mL tubes are usually graduated every 5 mL. MBP offers both bagged and racked centrifuge tube formats, including 15 mL and 50 mL conical tubes as well as smaller microtube and midi tube options.
MBP supports procurement departments by accepting purchase orders and offering institutional pricing for qualified high-volume customers. <a href="https://mbpinc.net/contact-us">Contact the MBP team today</a> for a customized quote.

<h2 data-section-id="132783j" data-start="0" data-end="34">What Are Microcentrifuge Tubes?</h2>
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Microcentrifuge tubes are small-volume polypropylene or low-binding polypropylene vessels available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. They are designed for use in fixed-angle and variable-speed microcentrifuges and are commonly used for sample preparation, DNA and RNA isolation, protein purification, enzyme reaction setup, and cryogenic sample storage. Depending on the application, these tubes are available with either hinged snap caps or threaded screw caps that help protect samples from leakage, contamination, and evaporation during centrifugation and storage.
Microcentrifuge tubes are essential consumables in molecular biology, biochemistry, clinical chemistry, proteomics, and genomics laboratories. Among all formats, the 1.5 mL snap-cap tube remains the most widely used microcentrifuge tube in routine molecular biology workflows.
Use 1.5 mL snap-cap polypropylene tubes for general molecular biology applications, 2.0 mL tubes for bead-based extraction and precipitation workflows, screw-cap tubes for volatile or valuable samples, and low-binding tubes for dilute proteins or nucleic acids.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
0.5mL, 0.6mL, 1.5mL, 2.0mL, 5.0mL (for small-volume to high-volume applications)
</li>
</ul>
<ul>
<li dir="ltr" aria-level="1">
Tubes only: Snap-cap, one-hand use
</li>
<li dir="ltr" aria-level="1">
O-ring caps: Leak-proof, secure seal
</li>
<li dir="ltr" aria-level="1">
Sterile: RNase/DNase-free for sensitive work
</li>
<li dir="ltr" aria-level="1">
Non-sterile: Cost-effective for general use
</li>
</ul>
&nbsp;
<h2 data-section-id="1yp6iwa" data-start="1166" data-end="1204">How to Choose Microcentrifuge Tubes</h2>
&nbsp;
Volume: 0.5 mL / 1.5 mL / 2.0 mL
&nbsp;0.5 mL tubes minimize dead volume for concentrated or precious samples and fit compact block heaters. 1.5 mL is the universal format compatible with virtually all microcentrifuge rotors, heating blocks, and automated liquid handlers. 2.0 mL provides extra headspace for vortex mixing and bead-based extraction protocols; the slightly wider diameter is also compatible with most 1.5 mL rotor slots.
Cap Style: Snap Cap vs Screw Cap
Snap-cap microcentrifuge tubes feature hinged lids that allow quick one-handed operation and are preferred for high-throughput laboratory workflows involving frequent pipetting.
Screw-cap tubes equipped with O-rings or sealing rings provide a hermetic seal capable of withstanding centrifugal forces up to 20,000 &times; g. These tubes are recommended for volatile reagents, repeated freeze-thaw cycles, and long-term storage at ultra-low temperatures. Laboratories requiring enhanced sample security often select screw-cap formats for valuable or irreplaceable specimens.
Standard vs Low-Binding Polypropylene
Standard polypropylene microcentrifuge tubes are suitable for most routine laboratory applications. Low-binding polypropylene tubes are designed to reduce sample adsorption to tube walls and are particularly beneficial when working with dilute proteins, low-concentration nucleic acids, or single-cell samples where maximizing recovery is critical.
Bottom Geometry: Conical vs Self-Standing
Conical-bottom tubes concentrate pellets at the tip of the tube, improving sample recovery and simplifying resuspension after centrifugation.
Self-standing tubes feature a flat base that allows them to remain upright without a rack, making them convenient for sample handling, labeling, and storage. While they offer greater bench-top convenience, pellets may form slightly off-center compared with traditional conical-bottom designs.
&nbsp;
<h2 data-section-id="11skgd4" data-start="3407" data-end="3446">Compare Microcentrifuge Tube Formats</h2>
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Snap-cap conical polypropylene microcentrifuge tubes are available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. Rated to approximately 16,000 &times; g, they are the standard choice for molecular biology, PCR preparation, nucleic acid extraction, and enzyme reaction workflows.
Screw-cap polypropylene tubes with O-rings are offered in 1.5 mL and 2.0 mL formats with either conical or flat-bottom designs. These tubes can withstand centrifugal forces up to 20,000 &times; g and are commonly used for volatile samples, cryogenic storage, and biobanking applications.
Self-standing screw-cap microcentrifuge tubes are available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. Featuring sealing rings and flat-bottom construction, they provide stable rack-free storage and are often used in color-coded sample management systems. These tubes are typically rated up to 20,000 &times; g.
Amber polypropylene microcentrifuge tubes are available with either snap caps or screw caps in 1.5 mL and 2.0 mL sizes. Designed for light-sensitive compounds, they help protect samples from light exposure while supporting centrifugation up to approximately 16,000 &times; g.
Dispenser-box snap-cap microcentrifuge tubes are commonly available in 1.5 mL and 2.0 mL formats and are packaged for convenient bench-top dispensing. They are ideal for high-throughput laboratories that process large numbers of samples and require efficient access to consumables.
&nbsp;
<h2 data-section-id="1jl751w" data-start="4881" data-end="4906">Specifications Context</h2>
&nbsp;
Globe Scientific microcentrifuge tubes are manufactured from USP Class VI virgin polypropylene and are certified RNase-free, DNase-free, and non-pyrogenic by lot under ISO 9001:2015 quality management standards. Nest Scientific microcentrifuge tubes are similarly manufactured to USP Class VI specifications and are available in self-standing formats with six cap color options for simplified sample organization.
Standard packaging configurations include 500 tubes per case for snap-cap formats and 500 tubes per case supplied in 50-tube packs for screw-cap variants. As of 2026, MBP stocks both dispenser-box snap-cap tubes and screw-cap microcentrifuge tube formats, with bulk purchasing options available for high-volume laboratories.
Achieve consistent results with secure, medical-grade centrifugation vessels. <a href="https://mbpinc.net/contact-us" title="Contact Molecular Biology Products Inc." style="color: #236fa1; text-decoration: underline;">Contact Molecular Biology Products Inc.</a> for a quote to upgrade your workflow.

Microcentrifuge Tubes

<h2 data-section-id="155qizo" data-start="0" data-end="33">What Are All Centrifuge Tubes?</h2>
&nbsp;
The All Centrifuge Tubes collection includes the complete range of tube sizes commonly used in research, clinical, and laboratory environments. These tubes range from small 0.5 mL and 1.5&ndash;2 mL microtubes used in microcentrifuge applications to 5 mL and 10 mL midi tubes for intermediate sample volumes, as well as 15 mL and 50 mL conical tubes designed for cell culture, density gradient preparation, and larger-volume sample processing. They are available in polypropylene (PP) for enhanced chemical resistance and temperature tolerance or polystyrene (PS) for improved optical clarity.
&nbsp;
What you will find:
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microcentrifuge-tubes" title="Microcentrifuge Tubes">Microcentrifuge Tubes</a> &ndash; Precision-engineered for small-volume sample preparation.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/screw-cap-tubes" title="Screw Cap Tubes">Screw Cap Tubes</a> &ndash; Secure, leak-proof closures for long-term storage and transport.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/15ml-and-50ml-centrifuge-tubes" title="15ml &amp; 50ml Centrifuge Tubes">15ml &amp; 50ml Centrifuge Tubes</a> &ndash; Standard conical bottom tubes for large-volume processing.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/midicentrifuge-tubes-5ml-and-10ml" title="Midicentrifuge Tubes (5ml &amp; 10ml)">Midicentrifuge Tubes (5ml &amp; 10ml)</a> &ndash; The perfect bridge for intermediate sample sizes.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microtubes-box" title="Microtubes Box">Microtubes Box</a> &ndash; Durable storage racks for organized sample management and protection.
</li>
</ul>
&nbsp;
<h2 data-section-id="1f93yys" data-start="914" data-end="963">How to Choose From All Centrifuge Tube Formats</h2>
&nbsp;
Volume and Rotor Compatibility
Selecting the correct tube size is essential for safe and efficient centrifugation. Microtubes ranging from 0.5&ndash;2 mL are designed for microcentrifuges, while 5&ndash;10 mL midi tubes fit compatible benchtop centrifuge rotors. Larger 15 mL and 50 mL conical tubes are commonly used in clinical and research centrifuges. Always verify rotor compatibility before introducing a new tube format into your workflow.
Sterility Requirements
For sensitive applications such as RNA extraction, cell culture, and clinical diagnostics, sterile tubes certified free of RNase, DNase, and pyrogens are recommended. Non-sterile tubes can provide a cost-effective solution for routine DNA analysis, protein assays, and general sample storage where sterility is not critical.
Material Selection
Polypropylene tubes offer excellent durability, can be autoclaved at 121 &deg;C, and resist many laboratory chemicals and solvents. Polystyrene tubes provide superior transparency, making it easier to monitor liquid levels and sample contents, although they are less resistant to heat and solvents.
Packaging and Inventory Planning
Microtubes are commonly available in pack sizes ranging from 500 to 1,000 units, while 15 mL and 50 mL conical tubes are often supplied in cases of 500. Laboratories with consistent usage may benefit from establishing recurring purchase orders to ensure uninterrupted supply.
&nbsp;
<h2 data-section-id="urfo3f" data-start="2395" data-end="2433">Compare Centrifuge Tube Size Groups</h2>
&nbsp;
Microtubes (0.5&ndash;2 mL) are primarily used for PCR preparation, microcentrifuge applications, and storage of small sample volumes. These are typically manufactured from polypropylene and are available in pack sizes of 500&ndash;1,000 units.
Midi tubes (5&ndash;10 mL) support intermediate-volume centrifugation and supernatant collection. They are commonly made from polypropylene and supplied in packs ranging from 100&ndash;500 units.
15 mL conical tubes are widely used for cell pelleting, RNA isolation, and clinical sample processing. They are available in both polypropylene and polystyrene formats and are generally packaged in cases of 500.
50 mL conical tubes are designed for larger-volume workflows, including tissue culture, density gradient preparation, and sample processing. Like 15 mL tubes, they are available in polypropylene and polystyrene and are commonly sold in cases of 500.
&nbsp;
<h2 data-section-id="1ezckh3" data-start="3318" data-end="3348">Specifications and Features</h2>
&nbsp;
Globe Scientific and Nest Scientific centrifuge tubes are manufactured from USP Class VI virgin polypropylene or polystyrene resin and are certified free from detectable RNase, DNase, and pyrogens. Sterile products are irradiated using gamma or E-beam methods to achieve a sterility assurance level (SAL) of 10⁻⁶. MBP offers both racked and bagged formats for 15 mL and 50 mL conical tubes, along with dispenser-box options for selected microtube product lines that support efficient use in high-throughput laboratory environments.
For procurement teams, MBP accepts purchase orders and offers institutional pricing for bulk and high-volume purchases. <a href="https://mbpinc.net/contact-ushttps://mbpinc.net/contact-us" title="Contact the MBP team" style="color: #236fa1;">Contact the MBP team</a> today to learn more

All Centrifuge Tubes

111564-Group-MicroTubos Centrifugos

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Natural, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag

111564 by Globe Scientific is a 1.5 mL PP microcentrifuge tube with attached snap cap, graduated, natural, lot-certified RNase-free, DNase-free, and pyrogen-free. Supplied 500 tubes per resealable stand-up zip lock bag; autoclavable. Available in 8 color variants across the 111564 series.

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Natural, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Assorted Colors, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, Natural, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, Assorted Colors, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Natural, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/5000

Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Amber, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/5000

Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Blue, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/5000

Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Green, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/5000

Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Orange, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/5000

Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Red, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/5000

Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Violet, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/5000

Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Yellow, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/5000

Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Assorted Colors, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/5000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Amber, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Blue, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Green, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Orange, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Red, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Violet, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Yellow, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, Amber, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, Blue, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, Green, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, Orange, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, Red, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, Violet, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

Microcentrifuge Tube, 0.5mL, PP, Attached Snap Cap, Graduated, Yellow, Certified: Rnase, Dnase and Pyrogen Free, 500/Stand Up Zip Lock Bag, CS/10000

111620-111642-Tubes, Caps & Racks Catalog

Microcentrifuge Tube, 2mL, PP, No Cap, Graduated, Natural, 500/Bag, 2 Bags/ Bag

111620 by Globe Scientific is a 2 mL PP microcentrifuge tube with no cap — graduated, natural/translucent, autoclavable at 130°C. Supplied as 1,000 tubes (500/bag × 2 bags). Cap-free format for flexible capping or sealing options.

Microcentrifuge Tube, 2mL, PP, No Cap, Graduated, Natural, 500/Bag, 2 Bags/ Bag, BAG/1000

Microcentrifuge Tube, 1.5mL, PP, No Cap, Graduated, Natural, CS/10000

110540-Tubes, Caps & Racks Catalog

110540-TDS-110540

Microcentrifuge Tube, 6 x 47mm (400uL), LDPE, Attached Plug Cap, CS/18000

110540 is a 400–500 µL (0.5 mL) Beckman®-compatible LDPE microcentrifuge tube, 6 × 47 mm, with an attached plug cap. Non-graduated, non-sterile. Supplied as a case of 18,000 in bags of 1,000 for high-volume automated and manual workflows. Not autoclavable.

Narrow Mouth Bottles

<h2 data-section-id="6wvx9q" data-start="0" data-end="44">What Are Narrow Mouth Laboratory Bottles?</h2>
&nbsp;
Narrow-mouth laboratory bottles are storage containers designed with a small neck opening, typically between 18 mm and 38 mm in diameter. This design allows for controlled pouring, minimizes evaporation, reduces contamination risk, and helps limit vapor loss when storing volatile liquids. The most common narrow-mouth bottle style is the Boston round, which features a cylindrical body, rounded shoulders, and a threaded neck that provides excellent durability and efficient liquid handling. Globe Scientific Diamond RealSeal narrow-mouth bottles are available in HDPE, LDPE, and polypropylene (PP) materials, with capacities ranging from 4 mL to 8 L. Amber HDPE versions are also available for storing light-sensitive chemicals and reagents. For most laboratory applications, HDPE remains the preferred material due to its excellent chemical resistance and low extractables, while PP is selected when autoclaving is required.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Small narrow mouth bottles (30&ndash;100 mL) for reagents and aliquots
</li>
<li dir="ltr" aria-level="1">
Medium bottles (125&ndash;500 mL) for routine laboratory use
</li>
<li dir="ltr" aria-level="1">
Large bottles (1&ndash;2 L) for bulk solution storage
</li>
<li dir="ltr" aria-level="1">
HDPE narrow mouth bottles for chemical-resistant applications
</li>
<li dir="ltr" aria-level="1">
Polypropylene bottles for autoclave-compatible workflows
</li>
<li dir="ltr" aria-level="1">
Amber narrow mouth bottles for light-sensitive reagents
</li>
<li dir="ltr" aria-level="1">
Graduated bottles for easy volume monitoring
</li>
</ul>
&nbsp;
<h2 data-section-id="1xrkoag" data-start="975" data-end="1012">How to Choose Narrow Mouth Bottles</h2>
&nbsp;
Material Selection
HDPE is the standard choice for general laboratory reagent storage because it offers broad chemical compatibility, excellent durability, and resistance to low temperatures. LDPE provides similar chemical resistance but with greater flexibility, making small bottles easier to squeeze and pour. Polypropylene bottles are suitable for applications requiring sterilization, as they can withstand autoclaving at 121&deg;C. Amber HDPE bottles are recommended for photosensitive compounds because they reduce exposure to UV and visible light that may degrade sensitive materials.
Volume Requirements
Small-volume bottles from 4 mL to 30 mL are commonly used for standards, reference materials, working solutions, and sample transport. Medium-sized bottles ranging from 60 mL to 500 mL are ideal for routine laboratory reagents, buffers, and water samples. Larger formats from 1 L to 8 L are typically used for bulk reagent storage, field sampling, media preparation, and industrial laboratory applications where larger quantities of liquid must be stored safely.
Closure Compatibility
Closure size is an important consideration when selecting narrow-mouth bottles. Smaller bottles typically use 18 mm closures, medium bottles commonly use 24 mm or 28 mm closures, and larger bottles use 38 mm closures. Using the correct cap size ensures a proper seal and prevents leaks, evaporation, and thread damage caused by mismatched closures.
Diamond RealSeal vs. Diamond Essentials
Diamond RealSeal bottles are supplied with attached caps and are individually packaged to provide convenience and consistent quality. Diamond Essentials bottles are designed for high-volume users and are supplied in bulk packaging, with bottles and caps packaged separately. Laboratories processing large numbers of samples often choose the Diamond Essentials range to reduce packaging costs while maintaining the same bottle performance.
&nbsp;
<h2 data-section-id="1jl751w" data-start="3600" data-end="3625">Specifications Context</h2>
&nbsp;
Globe Scientific Diamond RealSeal narrow-mouth Boston round bottles are manufactured from virgin FDA-compliant resins and feature precision-molded construction with consistent wall thickness for reliable performance. The Diamond RealSeal polypropylene closure incorporates an integral sealing system that provides leak-resistant storage without the need for separate liners or gaskets. These bottles are widely used across pharmaceutical, environmental, clinical, food testing, cosmetics, water analysis, and industrial laboratories. As of 2026, 250 mL and 500 mL HDPE narrow-mouth Boston round bottles remain among the most commonly used formats for reagent storage, environmental sampling, and analytical laboratory applications.&nbsp;
<a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Connect with the MBP team today</a> to explore our full range of dimensions and material specifications, and find the perfect narrow-mouth bottle for your laboratory&rsquo;s daily demands.

Narrow Neck, Round Bottles, LDPE Specifications

Narrow Neck, Round Bottles, LDPE

Globe Scientific 600317-12 is a 50 mL narrow-neck round LDPE bottle with a PP screwcap and plug insert, graduated, food-contact approved, with molded-in tagging points for tamper-evident use. Sold as a pack of 12.

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 50mL, BAG/12

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 50mL, BOX/100

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 50mL, 100/Bag, 4 Bags/Unit

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 125mL, BAG/12

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 125mL, BOX/100

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 125mL, 100/Bag, 6 Bags/Unit

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 250mL, BAG/12

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 250mL, BOX/50

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 250mL, 50/Bag, 6 Bags/Unit

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 500mL, BAG/12

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 500mL, BOX/25

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 500mL, 25/Bag, 6 Bags/Unit

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 2000mL, BAG/4

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 2000mL, BOX/20

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 2000mL, 20/Bag, 2 Bags/Unit

Storage Bottles

<h2 data-section-id="1nhmff" data-start="0" data-end="39">What Are Laboratory Storage Bottles?</h2>
&nbsp;
Laboratory storage bottles are precision-molded plastic vessels used to store, transport, and dispense liquid and solid reagents, solvents, buffers, and samples across a wide range of laboratory workflows. Globe Scientific's Diamond RealSeal bottle range includes wash mouth bottles, wide mouth bottles, and narrow mouth bottles. Wash mouth bottles are flexible LDPE squeeze bottles available in 250&ndash;1000 mL sizes for glassware rinsing and solvent dispensing. Wide mouth bottles, available in HDPE and PP from 30 mL to 2 L, are designed for powders, viscous liquids, and bulk sample storage. Narrow mouth bottles, including Boston round styles in HDPE, LDPE, and PP, range from 4 mL to 8 L and are used for liquid reagents, sampling, and chemical storage. All Diamond RealSeal bottles are manufactured from virgin FDA 21 CFR-compliant resins and feature PP integral-seal closures that provide leak-proof performance without separate liners or gaskets. LDPE is best suited for squeeze-action wash bottles, HDPE is the standard choice for general liquid storage, and PP should be selected whenever autoclave sterilization is required.
&nbsp;
<h2 dir="ltr">What you will find: </h2>
<ul>
<li data-start="0" data-end="100"><a href="https://mbpinc.net/consumables/storage-supplies/storage-bottles/large-format-bottles" title="Large Format Bottles:">Large Format Bottles:</a> High-capacity bottles for storing and handling large volumes of liquids.</li>
<li data-start="102" data-end="186"><a href="https://mbpinc.net/consumables/storage-supplies/storage-bottles/square-bottles" title="Square Bottles:">Square Bottles:</a> Space-efficient bottles designed to maximize storage capacity.</li>
<li data-start="188" data-end="280"><a href="https://mbpinc.net/consumables/storage-supplies/storage-bottles/wide-mouth-bottles" title="Wide Mouth Bottles:">Wide Mouth Bottles:</a> Bottles with large openings for easy filling and sample retrieval.</li>
<li data-start="282" data-end="375"><a href="https://mbpinc.net/consumables/storage-supplies/storage-bottles/wash-mouth-bottles" title="Wash Mouth Bottles:">Wash Mouth Bottles:</a> Squeeze bottles for controlled dispensing and rinsing applications.</li>
<li data-start="377" data-end="468"><a href="https://mbpinc.net/consumables/storage-supplies/storage-bottles/vacuum-bottles" title="Vacuum Bottles:">Vacuum Bottles:</a> Durable bottles designed for vacuum filtration and sample collection.</li>
<li data-start="470" data-end="565"><a href="https://mbpinc.net/consumables/storage-supplies/storage-bottles/narrow-mouth-bottles" title="Narrow Mouth Bottles:">Narrow Mouth Bottles:</a> Bottles with reduced openings to minimize spills and contamination.</li>
<li data-start="567" data-end="667"><a href="https://mbpinc.net/consumables/storage-supplies/storage-bottles/petg-media-bottles" title="PETG Media Bottles:">PETG Media Bottles:</a> Clear, durable bottles for storing media, buffers, and laboratory solutions.</li>
</ul>
&nbsp;
<h2 data-section-id="e7a0da" data-start="1174" data-end="1217">How to Choose Laboratory Storage Bottles</h2>
&nbsp;
Mouth Size: Wash, Wide, or Narrow
Wash mouth bottles feature integrated dispensing nozzles or draw tubes that allow controlled squeeze-action delivery and are primarily used for rinsing and dispensing liquids rather than long-term storage. Wide mouth bottles, with openings typically greater than 38 mm, allow easy filling and dispensing of powders, granules, viscous liquids, and larger samples. Narrow mouth bottles, including Boston round designs, provide controlled pouring, reduced evaporation, and secure storage for liquid reagents and solvents.
Material Match
LDPE is the preferred material for wash bottles because of its flexibility and squeeze performance. HDPE provides broad chemical resistance, low leachables, and a temperature range suitable for most laboratory chemicals and reagents, making it the standard choice for general storage. PP is selected when bottles must withstand autoclave sterilization at 121&deg;C or be used for media preparation and sterile workflows. Amber HDPE and amber PP bottles are recommended for light-sensitive compounds that require protection from UV and visible light exposure.
Volume
Small bottles ranging from 4&ndash;30 mL are commonly used for reference standards, analytical reagents, and sample collection. Mid-range bottles from 60&ndash;500 mL are suitable for daily-use reagents, calibration standards, and working solutions. Larger bottles from 1&ndash;8 L are typically used for bulk reagent storage, media preparation, and buffer stock solutions.
Closure Type
Diamond RealSeal PP closures incorporate an integral seal ring that creates a leak-proof closure without requiring separate liners or gaskets. Standard PP screw caps are used throughout the Diamond Essentials economy line. For autoclavable PP bottles, caps should be loosened during sterilization and tightened after cooling to maintain proper sealing performance.
&nbsp;
<h2 data-section-id="1jl751w" data-start="3910" data-end="3935">Specifications Context</h2>
&nbsp;
Globe Scientific Diamond RealSeal bottles are precision-molded from virgin resins compliant with FDA 21 CFR 177.1520 requirements and are manufactured under ISO 9001:2015 quality systems. The Diamond Essentials range is supplied as a bulk-packed economy option, with bottles and caps packaged separately for high-volume laboratory use. As of 2026, 500 mL HDPE narrow-mouth Boston round bottles and 500 mL LDPE wash bottles remain among the most commonly stocked formats in academic research laboratories, pharmaceutical QC facilities, and industrial testing environments. Explore wash mouth bottles, wide mouth bottles, and narrow mouth bottles for specific bottle styles and applications.
For selecting the right size or material, <a href="https://mbpinc.net/contact-us">the MBP team can help</a> match bottles to your specific workflow needs.

DataSheet

Round Storage Bottles

Natural Color Round HDPE Storage Bottle, Wide Mouth, Sterile

Nest Scientific 335101 — 8 mL natural-color HDPE wide-mouth round storage bottle, enzyme-free, sterile, 20 per pack, 400 per case. For molecular biology, genomics, and proteomics reagent storage.

Manufacturer

8ml Natural Color Round HDPE Storage Bottle, Wide Mouth, Sterile, 20/pk, 400/cs

15ml Natural Color Round HDPE Storage Bottle, Wide Mouth, Sterile, 20/pk, 400/cs

30ml Natural Color Round HDPE Storage Bottle, Wide Mouth, Sterile, 10/pk, 200/cs

60ml Natural Color Round HDPE Storage Bottle, Wide Mouth, Sterile, 10/pk, 200/cs

125ml Natural Color Round HDPE Storage Bottle, Wide Mouth, Sterile, 10/pk, 100/cs

250ml Natural Color Round HDPE Storage Bottle, Wide Mouth, Sterile, 10/pk, 100/cs

500ml Natural Color Round HDPE Storage Bottle, Wide Mouth, Sterile, 5/pk, 50/cs

Sample Cups

<h2 dir="ltr">What are Automation Sample Cups?</h2>
 Automation sample cups (also called analyzer sample cups, autosampler cups, or J-cups) are small-volume polystyrene or polypropylene vessels designed to hold aliquoted patient specimens for direct loading into automated clinical chemistry analyzers, immunoassay platforms, hematology analyzers, and ICP-MS/ICP-OES spectrometers. They are used when an analyzer's primary tube handler cannot directly aspirate from a standard 15 mL or 50 mL collection tube&mdash;typically because the sample volume is insufficient, a diluted aliquot is required, or a specific cup geometry is mandated by the instrument's sampling needle. Globe Scientific offers the largest selection of alternate (OEM-equivalent) sample cups for laboratory analyzers, providing significant per-cup savings versus manufacturer-supplied consumables. Choose analyzer sample cups by instrument model first&mdash;dimensional compatibility is non-negotiable&mdash;then optimize for material (PS for optical clarity, PP for chemical resistance) and volume.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
0.2 mL automation sample cups for micro-volume testing
</li>
<li dir="ltr" aria-level="1">
0.5 mL sample cups for routine analyzer use
</li>
<li dir="ltr" aria-level="1">
1.5 mL sample cups for standard clinical workflows
</li>
<li dir="ltr" aria-level="1">
Clear polystyrene sample cups for accurate readings
</li>
<li dir="ltr" aria-level="1">
Conical-bottom cups for complete sample pickup
</li>
<li dir="ltr" aria-level="1">
Low-dead-volume cups for minimal sample waste
</li>
<li dir="ltr" aria-level="1">
Analyzer-compatible sample cups for clinical systems
</li>
<li dir="ltr" aria-level="1">
Disposable sample cups for single-use workflows
</li>
<li dir="ltr" aria-level="1">
Nesting cups for easy storage and handling
</li>
</ul>
<h2 dir="ltr"> How to Choose Automation Sample Cups</h2>
 Instrument Compatibility: Dimensional Match is Mandatory Automation sample cups must match the exact outer diameter, height, and cup-bottom geometry specified by the instrument manufacturer. A cup that is 0.5 mm too wide or too narrow will not seat correctly in the autosampler rotor, causing aspiration failures, pipetting errors, or instrument alarms. Globe Scientific engineers and validates each alternate cup to OEM specifications for named analyzer platforms; confirm the instrument model against the catalog's compatibility list before ordering. Volume: 0.5 mL vs. 1.5 mL vs. 2.0 mL 0.5 mL cups (13.55 &times; 24.50 mm, polystyrene) are used on chemistry analyzers including Beckman CX series, Alpha Wassermann, Bio-Chem Labs, and DPC Immulite platforms. 1.5 mL cups (13.8 &times; 22.60 mm) are used on BioMerieux AG-2/ASCA and MLA 1600C platforms. Larger 2.0 mL cups are used on Roche cobas and Horiba ABX platforms. The minimum working volume of the cup must exceed the analyzer's dead volume (typically 150&ndash;400 &micro;L) plus the required sample volume. Material: Polystyrene vs. Polypropylene Polystyrene (PS) sample cups provide excellent optical clarity for colorimetric-based analyzers that photometrically read the cup contents and have low protein adsorption for routine chemistry analytes. Polypropylene (PP) cups are used when the sample contains organic solvents, strong acids (trace element analysis), or when acid-wash protocols are required for ICP-MS autosampler systems. MoldPro and Globe Scientific PP autosampler cups for PerkinElmer, Agilent, and Shimadzu ICP systems are manufactured from virgin PP with ultra-low metal content verified by ICP-MS lot testing. With or Without Caps/Inserts Sample cups with caps are used when the aliquot must be sealed to prevent evaporation or cross-contamination during batch loading. Insert cups (smaller inner cup that sits inside a standard tube) allow aliquoted samples to be loaded directly without relabeling &mdash; a common efficiency gain in high-volume core labs. Confirm whether your instrument's autosampler accepts capped cups or requires open-top formats. ICP-MS vs. Clinical Chemistry Applications ICP-MS autosampler cups require certified ultra-low metal content (verified by ICP-MS at ppb level), manufactured from virgin PP without metal-containing additives, dyes, or fillers. Standard PS clinical chemistry cups contain low-level metal additives from colorants and should not be used for trace element or heavy metal analysis. Always use metal-free certified cups for any elemental analysis application. 
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific analyzer sample cups are manufactured to exact OEM specifications and provide equivalent precision and optical properties to original manufacturer cups. PS cups have optical clarity with &ge;90% light transmission in the visible spectrum, required for photometric analyzers. PP ICP-MS autosampler cups meet ultra-low metal content specifications: typically &lt;1 ppb for Fe, Zn, Cu, Pb, Mn, and other analytes commonly measured in trace element panels. Cup dimensions are held to &plusmn;0.1 mm tolerance on O.D. to ensure consistent seating in autosampler rotors. As of 2026, Globe Scientific is the most widely stocked alternate analyzer consumable brand through lab distributors, including MBP, offering per-cup savings of 20&ndash;40% versus OEM pricing for high-volume clinical labs. 
<a href="https://mbpinc.net/contact-us">Contact MBP&nbsp;</a>for per-cup pricing on case-quantity PO orders.

Automation Sample Cups

5504-Group-Analyzer Consumables Catalog

5504-Group-TDS-5505

5504-Group-TDS-5504

Nesting Sample Cups

5504 by Globe Scientific is a 1 mL clear polystyrene nesting sample cup that inserts into 12 mm and 13 mm primary tubes, allowing analyzer probe aspiration without re-labelling. Supplied 1,000/bag for clinical chemistry and coagulation lab workflows. For 16 mm tubes, use 5505 (2 mL). Order at <a href="https://mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

Sample Cup, Nesting, PS, 1mL (for 12mm & 13mm tubes), 10000/Cs

Sample Cup, Nesting, PS, 2mL (for 16mm tubes), 8000/Cs

Oak Ridge Style Centrifuge Tubes

<h2 data-section-id="xbar7u" data-start="0" data-end="45">What Are Oak Ridge Style Centrifuge Tubes?</h2>
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Oak Ridge style centrifuge tubes are round-bottom polypropylene vessels designed for high-speed centrifugation applications that require significantly higher centrifugal forces than standard conical centrifuge tubes can withstand. Originally developed for demanding laboratory centrifugation protocols, these tubes feature a uniform wall thickness and an attached polypropylene screw cap that helps maintain structural integrity during high-speed operation.
The round-bottom design distributes centrifugal stress more evenly across the tube wall, allowing Oak Ridge tubes to withstand speeds of up to 50,000 &times; g when used according to manufacturer recommendations. Available in volumes ranging from 10 mL to 70 mL, they are commonly used for subcellular fractionation, membrane isolation, virus precipitation, nucleic acid pelleting, organelle purification, and other high-speed preparative centrifugation workflows.
Choose Oak Ridge style centrifuge tubes when your protocol exceeds the capabilities of standard conical tubes or when your rotor requires a round-bottom, high-speed tube format.
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<h2 dir="ltr">Designed with Accuracy in Mind:</h2>
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When loaded at 80% capacity, high-speed Oak Ridge containers are rated for 50,000g performance.
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For hazardous samples, integrated seal ring closures offer a certified leakproof environment.
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Polypropylene construction that is resistant to chemicals and strong enough to withstand harsh organic solvents.
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Round-bottom reusable tubes made to work seamlessly with high-speed rotors.
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Non-pyrogenic, certified RNase/DNase-free labware produced in cleanroom settings.
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Autoclavable (121&deg;C) thermal stability allows for several sterilizations without sacrificing integrity.
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<h2 data-section-id="13fdmtb" data-start="1156" data-end="1205">How to Choose Oak Ridge Style Centrifuge Tubes</h2>
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Volume Selection: 10 mL to 70 mL
The 30 mL and 50 mL formats are the most commonly stocked Oak Ridge sizes, fitting the majority of fixed-angle and swing-bucket rotors designed for this tube geometry. 10 mL suits smaller-volume high-speed applications; 70 mL is used for larger pellet recovery in high-speed preparative runs. Confirm rotor capacity &mdash; not all high-speed rotors accommodate the full 10&ndash;70 mL size range.
Fill Volume Requirements
Oak Ridge centrifuge tubes are designed to operate at their maximum rated speed when filled to approximately 80% of their nominal capacity. Proper fill volume helps generate the internal hydrostatic support needed to maintain tube stability during high-speed centrifugation.
Operating significantly underfilled tubes at high centrifugal forces may increase the risk of tube deformation or failure. Laboratories should always follow manufacturer recommendations for minimum fill requirements.
Autoclavable and Reusable Design
Many Oak Ridge style centrifuge tubes are manufactured from durable polypropylene that supports repeated autoclaving at 121 &deg;C. Their reusable construction makes them a cost-effective option for laboratories performing routine high-speed centrifugation.
Tubes should be inspected regularly for signs of wear, cracking, stress marks, discoloration, or deformation. Any damaged tube should be removed from service immediately.
Cap Seal Design
Oak Ridge tubes typically feature attached screw caps with an integrated sealing ring that creates a leak-resistant closure without requiring a separate liner. This design simplifies cleaning and maintenance while providing reliable containment during centrifugation.
When processing sensitive or biohazardous samples, users should ensure the cap is fully tightened and properly seated before loading the rotor.
PP vs PPCO Materials
Most Oak Ridge style centrifuge tubes are manufactured from chemical-resistant polypropylene (PP), which provides excellent durability and broad chemical compatibility.
Some alternative designs are available in polypropylene copolymer (PPCO), which offers increased flexibility and impact resistance. PPCO variants may provide additional durability for demanding laboratory environments and repeated handling cycles.
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<h2 data-section-id="1ezlvak" data-start="4005" data-end="4038">Compare Oak Ridge Tube Formats</h2>
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10 mL Oak Ridge tubes are designed for small-volume, high-speed pelleting applications and can withstand centrifugal forces up to approximately 50,000 &times; g when filled according to specifications. They feature attached screw caps with integrated sealing systems and are reusable.
30 mL Oak Ridge tubes are commonly used for membrane preparations, nucleic acid purification, and similar medium-volume applications requiring high centrifugal force. These tubes maintain the same high-speed performance characteristics and reusable design.
50 mL Oak Ridge tubes are widely used for virus concentration, organelle isolation, and subcellular fractionation workflows. Their combination of volume capacity and high-speed capability makes them one of the most versatile Oak Ridge formats.
70 mL Oak Ridge tubes provide additional working volume for large-scale preparative centrifugation and gradient fraction collection while maintaining high-speed performance and reusable construction.
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<h2 data-section-id="1jl751w" data-start="5040" data-end="5065">Specifications Context</h2>
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Globe Scientific Oak Ridge style centrifuge tubes are manufactured from durable, chemical-resistant polypropylene with uniform wall thickness to support high-speed centrifugation up to approximately 50,000 &times; g when operated at recommended fill volumes. These tubes are autoclavable, reusable, and feature leak-resistant linerless screw-cap closures designed for repeated laboratory use.
Globe Scientific operates under ISO 9001:2015 quality management standards. As of 2026, MBP supplies Oak Ridge style centrifuge tubes in sizes ranging from 10 mL to 70 mL. Available volumes and packaging options may vary based on current inventory and manufacturer availability.
Choosing MBP&rsquo;s specialized labware ensures your workflow remains seamless and your high-speed runs stay leak-free. <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Request a quote from the Molecular Biology Products Inc. team today</a>.

6320-Group-New Product Announcement-Centrifuge Bottles & Oak Ridge Style Centrifuge Tubes

6320-Group-Tubes, Caps & Racks Catalog

Oak Ridge Style Centrifuge Tubes Dimensions

Globe Scientific 6320 Oak Ridge style centrifuge tubes in polypropylene (PP) with attached linerless screw caps. Rated to 50,000 × g at 80% fill; available in 10, 30, 50, and 70 mL. Autoclavable and reusable. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

Centrifuge Tube, 10mL, Oak Ridge Style, Round Bottom, Attached Screw Cap, PP, 12/Bag, CS/72

Centrifuge Tube, 30mL, Oak Ridge Round Bottom Style, Attached Screw Cap, PP, 12/Bag, CS/72

Centrifuge Tube, 50mL, Oak Ridge Round Bottom Style, Attached Screw Cap, PP, 12/Box, CS/72

Centrifuge Tube, 70mL, Oak Ridge Round Bottom Style, Attached Screw Cap, PP, 12/Bag, CS/72

15ml & 50ml Centrifuge Tubes

Oil Centrifuge Tubes Specifications

Oil Centrifuge Tubes

8600106 by Globe Scientific is a 6-inch (165mm × 45mm) oil centrifuge tube holding 100mL, manufactured from 3.3 borosilicate glass with blue enamel graduations and a white marking spot. Designed for ASTM petroleum product testing procedures that determine water and sediment content, the conical short-cone bottom ensures accurate phase separation and precise reading of settled volumes in standard laboratory centrifuges.

Centrifuge Tube, Glass, Conical Bottom, 6 Inch, Oil Centrifuge Tube, 100mL, 1/EA, CS/10

Centrifuge Tube, Glass, Conical Bottom, 8 Inch, Oil Centrifuge Tube, 100mL, 1/ EA, CS/10

Cuvettes

<h2 dir="ltr">What are Cuvettes?</h2>
 Cuvettes are small, precision-dimensioned transparent vessels used to hold liquid samples in the light path of a spectrophotometer, fluorometer, or colorimeter for measurement of absorbance, transmittance, fluorescence intensity, or fluorescence polarization. The standard cuvette has a 10 mm optical path length (the distance light travels through the sample), a square or rectangular cross-section, and an internal volume of 1&ndash;4 mL. Cuvettes are manufactured in four main materials&mdash;polystyrene (PS) or polymethylmethacrylate (PMMA) plastic, optical glass, UV-grade quartz (fused silica), and IR quartz&mdash;each covering a different wavelength range. Choose plastic cuvettes for routine visible-light absorbance (380&ndash;780 nm) where disposability prevents cross-contamination; choose optical glass for reusable visible-range work (340&ndash;2,500 nm); choose UV quartz when measurements extend into the UV range below 340 nm (190&ndash;2,500 nm).
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<h2 dir="ltr">What you will find:</h2>
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<li data-section-id="1cg0wqn" data-start="1810" data-end="1862">Spectrophotometer cuvettes for absorbance analysis</li>
<li data-section-id="vbobpt" data-start="1863" data-end="1890">Polystyrene (PS) cuvettes</li>
<li data-section-id="14z5a6i" data-start="1891" data-end="1906">PMMA cuvettes</li>
<li data-section-id="1h4vr7o" data-start="1907" data-end="1966">Analyzer-specific cuvettes for clinical chemistry systems</li>
<li data-section-id="b3k6fl" data-start="1967" data-end="1998">Standard path length cuvettes</li>
<li data-section-id="td8a19" data-start="1999" data-end="2043">Accessories for spectrophotometer cuvettes</li>
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<h2 dir="ltr"> How to Choose Cuvettes</h2>
 Material and Wavelength Range Plastic (PS/PMMA) cuvettes transmit visible light from 380&ndash;780 nm and are single-use, eliminating cleaning and cross-contamination risk. They are unsuitable for UV measurements, organic solvents, or strong acids. Optical glass cuvettes transmit 340&ndash;2,500 nm, covering the full visible and near-infrared range; Different manufacturers recommend different procedures. UV quartz cuvettes are traditionally used for DNA/RNA quantification at OD260/OD280 because they transmit UV wavelengths below 340 nm. IR quartz extends to 3,500 nm for near-IR applications. Optical Path Length The standard 10 mm path length follows the Beer-Lambert law at normal sample concentrations. Semi-micro (5 mm path) and micro-volume cuvettes (1 mm path, or internal volumes down to 10&ndash;70 &micro;L) are used for precious or limited-volume samples. The path length directly multiplies absorbance: a 1 mm cuvette gives 1/10 the absorbance of a 10 mm cuvette for the same solution &mdash; account for this in Beer-Lambert calculations. Volume: Macro vs. Semi-Micro vs. Micro Macro cuvettes (1&ndash;4 mL) are the standard for routine spectrophotometry. Semi-micro cuvettes (0.5&ndash;1.5 mL) reduce sample consumption. Micro cuvettes (10&ndash;350 &micro;L) are used when sample volume is limited; sub-micro cuvettes (10 &micro;L or less) suit precious clinical or research samples. Confirm that your spectrophotometer's beam height and aperture are compatible with the cuvette format before purchasing micro formats. Two-Window vs. Four-Window Standard cuvettes have two optically clear windows (the light-entry and exit faces) and two frosted or ribbed side walls for gripping. Four-window (all-clear) cuvettes are required for fluorescence measurements at 90&deg; to the excitation beam &mdash; the two additional clear windows allow emitted fluorescence to exit perpendicular to the excitation path. Confirm whether your instrument requires a standard or fluorescence-grade cuvette. Reusable vs. Disposable Quartz and glass cuvettes are reusable; their higher up-front cost&nbsp;is justified for low-throughput precision work or when solvents or UV wavelengths are required. Plastic cuvettes cost fractions of a cent per use and eliminate washing time in high-throughput assay workflows. Select disposable plastic for any routine colorimetric assay (Bradford, BCA, ELISA plate reader backup, OD600 bacterial growth) where wavelengths stay in the visible range. 
<h2 dir="ltr"> Specifications Context</h2>
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The 10 mm path length standard cuvette has internal dimensions of 10 &times; 10 mm cross-section and an internal height of approximately 45 mm. Outer dimensions are 12.5 &times; 12.5 mm, fitting all standard spectrophotometer cell holders. Window parallelism tolerance is &plusmn;0.01 mm for precision quartz cuvettes; standard optical glass cuvettes have &plusmn;0.1 mm tolerance. Light transmission through UV quartz: &gt;90% at 220 nm and &gt;85% at 200 nm. For nucleic acid quantification, a UV quartz cuvette with a minimum path length of 10 mm is required for OD 260/280 measurements; the ratio of OD260/OD280 should be 1.8&ndash;2.0 for pure DNA and 1.9&ndash;2.1 for pure RNA as a purity indicator. As of 2026, plastic disposable cuvettes remain the most cost-efficient choice for labs running &gt;50 absorbance readings per day in the visible range.
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Need the right fit? MBP can guide you to cuvettes that match your workflow perfectly. For institutional pricing and PO-based bulk ordering, <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">contact MBP</a>&nbsp;directly.

111147-Group-Analyzer Consumables Catalog

111147-Group-TDS-112157

111147-Group-TDS-112147

111147-Group-TDS-111157

111147-Group-TDS-111147

PMMA Spectrophotometer Cuvette

111147 by Globe Scientific is a disposable UV-grade PMMA macro spectrophotometer cuvette: 4.5 mL capacity, 10 mm pathlength, 280–800 nm range, 2 clear sides, ±1% absorption variation. Supplied 500/case. Suitable for nucleic acid quantification, protein assays, and colorimetric analysis.

Cuvette, Spectrophotometer, Square, 4.5mL (10mm), UV Grade Methacrylate, 2 Clear Sides, 100/Tray, 5 Trays/Unit, 1000/CS

Cuvette, Spectrophotometer, Square, 4.5mL (10mm), UV Grade Methacrylate, 4 Clear Sides, 100/Tray, 5 Trays/Unit, CS/500

Cuvette, Semi-Micro, 2.5mL, with 2 Clear Sides, UV Grade Polymethylmethacrylate (PMMA), 100/Tray, 5 Trays/Unit, 1000/Cs

Cuvette, Micro, 1.5mL, with 2 Clear Sides, UV Grade Polymethylmethacrylate (PMMA), 100/Tray, 5 Trays/Unit, CS/500

Test Tubes

<h2 dir="ltr">What are Test Tubes?</h2>
 Test tubes for laboratory use are open-ended, cylindrical glass or plastic tubes used to hold, mix, incubate, and heat liquid and solid samples across a broad range of applications: bacteriological culture, tissue culture, clinical chemistry, serological assays, immunology, and general sample processing. Choose borosilicate glass for reusable, high-temperature, or chemically demanding applications; choose polystyrene disposable 12&times;75 mm tubes for flow cytometry and colorimetric assays; choose polypropylene capped tubes for microbial culture with anaerobic or gas-generating organisms.
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<h2 dir="ltr">What you will find:</h2>
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<li dir="ltr" aria-level="1">Glass test tubes in diverse formats for heating and chemical reaction workflows</li>
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Plastic polypropylene test tubes for routine laboratory use
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Graduated tubes for quick and easy volume estimation
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Conical and round-bottom tube formats for different applications
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Sterile disposable test tubes for clinical and diagnostic work
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Heat-resistant tubes for incubation and controlled heating steps
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<h2 dir="ltr">How to Choose Test Tubes</h2>
 Material: Glass vs. Polypropylene vs. Polystyrene Borosilicate glass 3.3 (ASTM E438 Type I, Class B) test tubes withstand direct flame, autoclave sterilization at 121 &deg;C, and most solvents, acids, and bases. They are reusable and autoclavable, making them cost-effective over high-volume laboratory runs. Polystyrene (PS) disposable tubes offer outstanding optical clarity for flow cytometry (FACS), cell counting, and OD-based colorimetric assays, but cannot be autoclaved and should not be used with aromatic solvents or strong acids. Polypropylene (PP) tubes are chemically resistant, autoclavable, and available with screw caps for anaerobic culture or gas-generating reactions. Rimmed vs. Rimless Rimless test tubes (fire-polished ends) allow easier insertion of rubber or silicone stoppers and are preferred for plugging with cotton wool for microbial culture. Rimmed tubes have a flared lip that facilitates pouring and is compatible with spring-metal tube closures. Confirm your closure type before ordering in bulk. Size and Volume The most common test tube dimensions in clinical and research labs: 12&times;75 mm: ~5 mL capacity; standard for flow cytometry, FACS, serology 13&times;100 mm: ~10 mL; general culture and chemistry 16&times;100 mm: ~14 mL; culture and chemistry 16&times;125 mm: ~17 mL; microbiological culture 18&times;150 mm: ~25 mL; larger-volume digests and culture Wall thickness of 1.2 mm (light wall, borosilicate 3.3) is the standard for general lab use; heavy-wall versions are used for digestions and applications involving vacuum or pressure. Sterile vs. Non-Sterile Sterile borosilicate glass culture tubes (individually wrapped or bulk-sterilized) are required for microbial culture, cell culture, and any application where contamination would invalidate the result. Non-sterile tubes are adequate for chemistry, spectroscopy, and other abiotic applications. Disposable PS tubes from Corning (PYREX&trade;) and Globe Scientific are supplied sterile or non-sterile; confirm the specification on the lot certificate. 
<h2 dir="ltr"> Specifications Context</h2>
 Borosilicate glass 3.3 test tubes have a linear thermal expansion coefficient of 3.3 &times; 10⁻⁶ K⁻&sup1;, providing resistance to thermal shock from room temperature to 300 &deg;C (direct flame) and from 0 to 121 &deg;C (autoclave cycles). Light-wall tubes (1.2 mm uniform wall thickness) provide the standard for general laboratory use; heavy-wall variants (2.0 mm) are used for digestion vessels and pressurized applications. Corning PYREX&trade; disposable round-bottom rimless glass tubes for tissue culture conform to ASTM standards and are the reference format for bacteriological serology and cell wash procedures. MBP supplies Globe Scientific and NEST Scientific test tube lines for research and clinical labs across the USA, Canada, and worldwide. &nbsp; 
If you&rsquo;re choosing between glass and plastic or trying to match the right size to your workflow, it&rsquo;s worth getting that part right early &mdash; it makes everything downstream smoother and a lot less messy. <a href="https://mbpinc.net/contact-us">Contact the MBP team now!</a>

Tubes, Caps & Racks Catalog

Lab Supplies for Physicians Offices

113150-TDS-113150-113151

Pierceable Plug Stopper for Test Tubes

113150A by Globe Scientific is an amber TPE pierceable plug stopper for 13 mm vacuum blood collection tubes and test tubes. Reseals after syringe or autoanalyzer probe piercing; latex-free. Suitable for recapping, closed-system sampling, and needle-access tube storage. Available in multiple colors for tube color-coding.