Tubes & Sample Collection

Sample Storage Container

<h2 dir="ltr">What are Fecal Collection Tubes?</h2>
 Fecal collection tubes are pre-filled, single-use containers for stabilizing DNA, RNA, and the microbial community profile of stool specimens at ambient temperature&mdash;eliminating the need for immediate freezing after collection. A spoon or spatula attached to the screw cap enables hygienic self-collection of approximately 200&ndash;500 mg of stool directly into the preservative. Tubes are used in gut microbiome research (16S rRNA, metagenomics, metatranscriptomics), intestinal pathogen surveillance, SARS-CoV-2 wastewater and fecal RNA detection, and colorectal disease biomarker studies. Choose fecal collection tubes with an RNA-stabilizing preservative (DNA/RNA Shield) when both DNA and RNA targets&mdash;or fragile viral RNA&mdash;must be preserved from stool specimens shipped at room temperature.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li dir="ltr" role="presentation">Fecal collection tubes with stabilization preservatives for DNA/RNA preservation</li>
<li dir="ltr" role="presentation">Stool sample collection kits with integrated sampling spoons or swabs</li>
<li dir="ltr" role="presentation">Microbiome preservation tubes for sequencing and research applications</li>
<li dir="ltr" role="presentation">Sterile fecal collection containers for clinical diagnostics</li>
<li dir="ltr" role="presentation">Leak-proof transport tubes for safe sample handling</li>
<li dir="ltr" role="presentation">Pathogen-inactivating collection systems for improved biosafety</li>
</ul>
<h2 dir="ltr"> How to Choose Fecal Collection Tubes</h2>
 Preservative Chemistry Zymo Research DNA/RNA Shield fecal tubes (catalog R1101, 9 mL fill) stabilize DNA and RNA and take a microbial snapshot at the time of collection by inactivating viruses and pathogens. Standard OMNIgene&bull;GUT (DNA Genotek) tubes stabilize DNA for microbiome DNA profiling, but are not validated for RNA preservation. For any RNA target&mdash;metatranscriptomics, viral RNA, host gene expression in stool&mdash;choose DNA/RNA Shield-based tubes.
Bead Format vs. No Beads Catalog R1101 is a 9 mL tube without beads for direct stool input, followed by vortexing. Catalog R1137 (4 mL, with 5 glass beads) facilitates mechanical homogenization of hard fecal pellets, particularly from mouse and non-human primate models. Choose the bead format when working with solid or compacted stool material requiring physical disruption before stabilization.
Tube Volume and Sample Input Standard Zymo fecal tubes accommodate 200&ndash;500 mg of stool in 9 mL of reagent or 100&ndash;200 mg in 4 mL (bead format). Confirm fill volume against your extraction kit's minimum input. Over-filling exceeds the validated preservative-to-sample ratio and risks incomplete pathogen inactivation and nucleic acid degradation.
Downstream Application Compatibility All DNA/RNA Shield fecal tubes are compatible with Zymo ZymoBIOMICS DNA Miniprep, Quick-RNA, and Direct-zol kits without reagent removal. For third-party kits (QIAGEN PowerSoil, Thermo Fisher MagMAX), run a pilot test: residual Shield at high concentration may cause column inhibition in some bead-based soil kits.
Kit vs. Tube-Only Format The Zymo Individual Fecal Collection Kit (R1101-K) packages one fecal tube, a Feces Catcher, gloves, and a biohazard bag in a sealed pouch&mdash;suitable for mailed at-home collection in population studies. The tube-only format (10-pack or 50-pack) suits high-throughput lab processing where accessories are managed separately.
<h2 dir="ltr"> Specifications Context</h2>
 Zymo Research DNA/RNA Shield fecal tubes are 20 &times; 76 mm screw-cap polypropylene vessels with a spoon integrated into the cap. The reagent preserves nucleic acids for 28 days at ambient temperature (15&ndash;25 &deg;C); samples can be frozen at &minus;20 &deg;C or &minus;80 &deg;C for long-term archival. SARS-CoV-2 RNA preservation in fecal samples using DNA/RNA Shield was evaluated in a 2021 Nature Communications study (Huber et al.) that benchmarked it against OMNIgene&bull;GUT and unpreserved PBS controls, demonstrating superior viral RNA recovery after ambient-temperature storage. Fecal samples stabilized with DNA/RNA Shield are non-infectious and compatible with standard courier shipping under UN3373 and IATA P650. As of 2026, the ZR1101 and ZR1137 catalog numbers are available through MBP with direct PO ordering. 
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The <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">MBP team</a> can help match the right fecal collection solution to your laboratory workflow.

Fecal Collection

Globe Scientific's Fecal Containers

109117 by Globe Scientific is a 30 mL polystyrene fecal collection container with an attached PP screwcap and integrated PP inner spoon, conical self-standing base, non-sterile. Suitable for FOBT, O&amp;P examination, stool culture, and microbiome sampling. Supplied 100/bag, 500/case.

Manufacture

Container, Fecal, 30mL, Attached Screwcap with Spoon, PS, Conical Bottom, Self-Standing, 100/Bag, 5 Bags/Unit, CS/500

Container, Fecal, 30mL, Attached Screw Cap with Spoon, PP, Conical Bottom, Self-Standing, 100/Bag, 5 Bags/Unit, CS/500

Container, Fecal, 30mL, Attached Screw Cap with Spoon, PP, Conical Bottom, Self-Standing, Attached ID Label, 50/Bag, 10 Bags/Unit, CS/500

Stool Container with Stick, 20mL, White PP, 100/Bag, 12 Bags/Unit, CS/1200

Biohazard Bags

<h2 dir="ltr">What are Biohazard Bags?</h2>
 Biohazard bags are polyethylene pouches printed with the universal biohazard symbol and standardized warning text, used to contain, transport, and dispose of biological specimens and infectious waste in clinical, diagnostic, and research laboratory settings. They are manufactured in two functionally distinct categories: specimen transport bags (thin-walled LDPE, zipper-closure, with document pouch) for routing patient specimens from collection point to laboratory; and autoclave/waste bags (heavy-gauge polypropylene, heat-sealable) for containing infectious solid waste before steam sterilization at 121&ndash;136 &deg;C. Choose a specimen transport bag for courier or inter-department specimen routing; choose an autoclave bag for infectious solid waste destined for steam sterilization.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
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Red biohazard waste bags for infectious laboratory disposal
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Autoclavable biohazard bags for sterilization workflows
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Leak-resistant polyethylene biohazard liners for lab bins
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High-strength biohazard bags for heavy laboratory waste
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Printed biohazard symbol bags for clear hazard identification
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Disposable waste bags for contaminated consumables
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Chemical- and bio-waste compatible collection bags
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Medium and large capacity biohazard bags for lab use
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Thick gauge waste bags for puncture resistance
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General laboratory biohazard containment solutions
</li>
</ul>
<h2 dir="ltr"> How to Choose Biohazard Bags</h2>
 Specimen Transport vs. Waste/Autoclave Function Specimen transport bags (Globe Scientific catalog 4923&ndash;4950) are LDPE, zipper-locked, with a separate document pouch for the requisition form and a tear zone for rapid opening at the receiving lab. They are not rated for autoclaving. Autoclave bags (PP, 0.05 mm, 12&times;26 in. or 24&times;32 in.) withstand 121&ndash;136 &deg;C sterilization cycles and comply with OSHA 29 CFR 1910.1030 markings for biohazardous waste disposal. Size Selection for Specimen Transport Globe Scientific offers 6&times;9 in. (for blood tubes, urine cups, small specimens), 8&times;10 in. (for multiple tubes or swab collections), and 12&times;15 in. (for large containers, pathology specimens). The 6&times;9 in. bag with absorbent pad (catalog 4924) is the most common format for clinical specimen routing; the pad absorbs up to 10 mL of liquid in the event of tube breakage. Absorbent Pad Requirement IATA Dangerous Goods Regulations and the UN3373 Biological Substance Category B shipping requirements mandate an absorbent material sufficient to absorb the total liquid volume of the primary container. The 6&times;9 in. with absorbent pad format meets this requirement for standard tube shipments. Confirm pad absorbency against your primary container volume before use in P650 mailing kits. STAT vs. Standard Globe Scientific STAT bags (catalog 4950) are red-tinted 6&times;9 in. bags with a document pouch and tear zone &mdash; the red color alerts laboratory staff to prioritize the specimen. Use STAT bags for critical or time-sensitive specimens that bypass standard routing. Closure Type Zipper-closure bags allow repeated access and are used where the specimen may need to be resealed for courier transit. Glue-closure (tamper-evident seal) bags prevent re-opening and are preferred for chain-of-custody specimens (forensics, drug testing) and any application where tamper evidence is required.
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific specimen transport bags are manufactured from LDPE with a printed biohazard symbol and special handling checkboxes. The 6&times;9 in. standard format (catalog 4923) and STAT format (4950) hold cases of 1,000 bags (100/pack &times; 10 packs). The 8&times;10 in. (4926) and 12&times;15 in. (4929) formats are cases of 1,000 and 500, respectively. Autoclave bags used for infectious solid waste must comply with OSHA Bloodborne Pathogens Standard (29 CFR 1910.1030), which requires fluorescent orange or orange-red color-coding or a biohazard symbol on all containers holding regulated waste. Globe Scientific biohazard bags are manufactured under ISO 9001:2015 quality management standards. Bags are non-sterile; sterile transport systems for specimens requiring sterility assurance should use appropriately certified collection vessels inside the bag. 
For selection guidance, specifications, or bulk supply requirements, <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">connect with the MBP team</a> to choose the right biohazard containment solution for your laboratory workflow.

Globe Scientific's Infecon Bags

4760 by Globe Scientific — Infecon® 2.8-mil polyethylene specimen transport bags with double-track Saf-T-Zip closure, document pouch, and biohazard symbol. Remains flexible when frozen. Available in 8 sizes from 6×6" to 24×24". 250/pack, 1,000/case. Available from MBP Inc. worldwide.

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 6 x 6", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 6 x 9", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 9 x 12", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 8 x 10", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 12 x 12", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 16 x 16", CS/100

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 13 x 18", CS/100

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 24 x 24", CS/100

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="155qizo" data-start="0" data-end="33">What Are All Centrifuge Tubes?</h2>
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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.
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What you will find:
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<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>
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<h2 data-section-id="1f93yys" data-start="914" data-end="963">How to Choose From All Centrifuge Tube Formats</h2>
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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.
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<h2 data-section-id="urfo3f" data-start="2395" data-end="2433">Compare Centrifuge Tube Size Groups</h2>
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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.
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<h2 data-section-id="1ezckh3" data-start="3318" data-end="3348">Specifications and Features</h2>
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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

<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>
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<ul>
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0.5mL, 0.6mL, 1.5mL, 2.0mL, 5.0mL (for small-volume to high-volume applications)
</li>
</ul>
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Tubes only: Snap-cap, one-hand use
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O-ring caps: Leak-proof, secure seal
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Sterile: RNase/DNase-free for sensitive work
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Non-sterile: Cost-effective for general use
</li>
</ul>
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<h2 data-section-id="1yp6iwa" data-start="1166" data-end="1204">How to Choose Microcentrifuge Tubes</h2>
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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.
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<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.
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<h2 data-section-id="1jl751w" data-start="4881" data-end="4906">Specifications Context</h2>
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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

111562-Group-Tubes, Caps & Racks Catalog

Globe Scientific's Locking Microcentrifuge Tubes

111562 by Globe Scientific is a 1.5 mL USP Class VI medical-grade polypropylene microcentrifuge tube with an attached locking snap cap that prevents accidental opening during centrifugation and incubation. Lot-certified RNase/DNase/human DNA/pyrogen/PCR inhibitor-free; autoclavable; compatible with boiling and freeze-thaw cycling.

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Natural, Lot Certified: Rnase, Dnase, Pyrogen, ATP and Human DNA Free, CS/10000

Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Natural, Lot Certified: Rnase, Dnase, Pyrogen, ATP and Human DNA Free, CS/8000

Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Locking Snap Cap, Graduated, Natural, Lot Certified: Rnase, Dnase, Pyrogen, ATP and Human DNA Free, CS/3000

Microcentrifuge Tube, 0.5mL, PP, Attached Locking Snap Cap, Graduated, Natural, Lot Certified: Rnase, Dnase, Pyrogen, ATP and Human DNA Free, 10000/CS

Microcentrifuge Tube, 1.5mL, PP, Attached Locking Snap Cap, Graduated, Natural, Lot Certified: Rnase, Dnase, Pyrogen, ATP and Human DNA Free, CS/10000

Microcentrifuge Tube, 2.0mL, PP, Attached Locking Snap Cap, Graduated, Natural, Lot Certified: Rnase, Dnase, Pyrogen, ATP and Human DNA Free, CS/8000

111550-Group-Tubes, Caps & Racks Catalog

111550-Group-TDS-111568

111550-Group-TDS-111552A

111550-Group-TDS-111558 Series

Globe Scientific's Microcentrifuge Tubes with Snap Cap

111550 by Globe Scientific is a 1.5 mL polypropylene microcentrifuge tube with an attached leak-resistant flat snap cap, graduated. Available in amber (light-blocking) and assorted colors for visual sample coding in standard centrifuge and storage workflows.

Microcentrifuge Tube, 0.6mL, PP, Attached Flat Top Cap, Graduated, BAG/1000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Natural, CS/10000

Microcentrifuge Tube, 2.0mL, PP, Attached Snap Cap, Graduated, Natural, CS/8000

Microcentrifuge Tube, 2mL, PP, Attached Flat Top Cap, Graduated, Amber, 500/Bag, 10 Bags/Unit, CS/5000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Blue, CS/10000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Pink, CS/10000

Microcentrifuge Tube, 1.5mL, PP, Attached Snap Cap, Graduated, Yellow, CS/10000

Lab Supplies for Physicians Offices

Globe Scientific's STAT Red Specimen Transport Bags

4950 by Globe Scientific — red polyethylene STAT specimen transport bags, 6" × 9", with zipper closure, document pouch, tear-zone, and biohazard symbol. Visual urgent-priority indicator for clinical specimen workflows. Available in 100- or 1,000-count cases from MBP Inc. worldwide.

Bag, STAT Red Specimen Transport, 6" x 9", Ziplock with Document Pouch and Tearzone, CS/1000

Bag, STAT Red Specimen Transport, 6" x 9", Ziplock with Document Pouch, 100/Pack, 10 Packs/Case, CS/1000

Bag, STAT Red Specimen Transport, 6" x 9", Ziplock with Document Pouch, BAG/100

Scintillation Vials

<h2 dir="ltr">What are Scintillation Vials?</h2>
 Scintillation vials are small, screw-cap laboratory vessels used to combine a liquid sample with a scintillation cocktail for the detection of radioactive emissions&mdash;primarily beta particles from tritium (&sup3;H), carbon-14 (&sup1;⁴C), phosphorus-32 (&sup3;&sup2;P), and sulfur-35 (&sup3;⁵S)&mdash;by liquid scintillation counting (LSC). The standard format is a 20 mL vial (28 mm O.D. &times; 57&ndash;61 mm height) with a 22-400 threaded neck, manufactured in borosilicate glass or high-density polyethylene (HDPE). Mini vials (7 mL) reduce sample and scintillant consumption by approximately two-thirds while maintaining counting geometry. Choose glass vials for volatile sample matrices, strong solvents, or applications requiring minimal background; choose HDPE/PET plastic vials for routine tritium and &sup1;⁴C counting where cost and disposal savings matter.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
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Glass scintillation vials for low-background analytical measurements
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Polypropylene scintillation vials for general-purpose chemical resistance
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HDPE scintillation vials for solvent-compatible sample storage
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PET scintillation vials for clear visibility and unbreakable handling
</li>
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4 mL to 20 mL standard capacity vials for laboratory workflows
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Screw-cap vials with leak-resistant liners for secure sealing
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Chemically resistant closure systems for solvent-based assays
</li>
</ul>
<h2 dir="ltr"> How to Choose Scintillation Vials</h2>
 Glass vs. Plastic Borosilicate glass (low-potassium grade, Wheaton 180 or equivalent) provides zero solvent permeability, inertness to all scintillation cocktails, and superior optical clarity for low-background counting. Low-potassium glass minimizes background from potassium-40 (⁴⁰K) natural radioactivity. Glass is the first choice for radon counting, volatile organics, and any matrix where solvent permeation through the vial wall would cause cross-contamination. HDPE and PET plastic vials are lighter, less expensive, and safe to incinerate; they offer good UV transmission and ultra-low background for tritium analysis, making them the preferred choice for high-throughput routine LSC. 20 mL vs. Mini Vials (7 mL) Standard 20 mL vials accept up to 15 mL of scintillant + sample mixture and are compatible with all common liquid scintillation counters (Beckman Coulter LS series, PerkinElmer Tri-Carb, Hidex 300 SL). Mini 7 mL vials use the same radioactive sample volume as 20 mL vials but reduce scintillant consumption and solvent waste by ~60%; some counter models require adapter inserts. Confirm counter compatibility before switching to mini format. Cap and Liner Type Cap liner selection affects seal integrity and chemical compatibility. Urea caps with polyethylene (PE) cone liners provide a good seal for aqueous samples. Polypropylene caps with metal foil liners are chemically inert and suited for strong solvents and high-purity chemicals. Cap color (white vs. black) can influence background counts; black caps reduce photon ingress and lower background in very-low-activity samples. Precapped vs. Separate Caps Precapped vials (caps attached, trays of 100) speed up high-throughput workflows where vials are filled, capped, and counted in batches. Separate caps in bulk packaging suits labs that mix vial and cap types or need specific liner compatibility. Potassium-Free Specification For the lowest possible background in low-activity counting, specify low-potassium borosilicate glass that conforms to ASTM Type I, Class A standards. Potassium in ordinary glass contributes &beta;-background from ⁴⁰K; low-K glass eliminates this contribution in the tritium energy window. 
<h2 dir="ltr">Specifications Context</h2>
 Standard scintillation vials use a 22-400 threaded neck, fitting all major LSC platforms, including Beckman Coulter LS 6500, PerkinElmer Tri-Carb 3110TR, and Hidex 300 SL. Vial O.D. is 28 mm &plusmn; 0.5 mm; overall height with cap is 60&ndash;62 mm. Low-potassium borosilicate glass (Wheaton 180 grade) conforms to ASTM Type I, Class A and provides UV transmission &gt;75% at 340 nm, ensuring efficient photomultiplier tube (PMT) response. HDPE vials weigh approximately 60% less than glass equivalents and can be incinerated without special handling after approved radioactive decay. As of 2026, 20 mL scintillation vials are typically packed 100 per tray, 5 trays per case (500 per case) for glass, and 100 or 500 per case for plastic formats. 
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<a href="https://mbpinc.net/contact-us"></a><a href="https://mbpinc.net/contact-us">Contact the MBP team</a><a href="https://mbpinc.net/contact-us">&nbsp;</a>for bulk pricing and PO ordering for radiotracer labs and radiopharmaceutical research facilities across the USA, Canada, and worldwide. &nbsp;

101010-Group-Tubes, Caps & Racks Catalog

Scintillation Vials Specifications

Globe Scientific's Scintillation Vial

101010 by Globe Scientific is a 20 mL HDPE scintillation vial with a separate white PP screw cap that seals with a ¼ turn, measuring 60.1 mm (H with cap) × 26.5 mm (diameter). Solvent-resistant, translucent body; ISO 9001:2015 manufactured; supplied 1,000 units per case for liquid scintillation counting, chromatography, and chemical storage.

Scintillation Vial, 20mL, HDPE, with Separate White Screw Cap, CS/1000

Scintillation Vial, 6.5mL, PE, with Separate White Screw Cap, CS/1000

Scintillation Vial, 4mL, PE, with Attached White Screw Cap, CS/2000

Scintillation Vial, 6.5mL, PP, with Separate White Screw Cap, 250/Bag, 4 Bags/Unit, CS/1000

<h2 data-section-id="kx7ycn" data-start="0" data-end="39">What Are Screw Cap Centrifuge Tubes?</h2>
&nbsp;
Screw cap centrifuge tubes are polypropylene vessels with a threaded closure that rotates to create a compression seal, typically reinforced by a silicone or polyethylene O-ring. This seal design prevents evaporation, leakage, and contamination under conditions where a snap cap fails, including high-speed centrifugation up to 20,000 &times; g, repeated freeze-thaw cycles from &minus;80 &deg;C to +121 &deg;C, exposure to volatile organic solvents, and long-term cryogenic storage. Available in volumes ranging from 0.5 mL to 2.0 mL, these tubes are commonly used in proteomics, genomics, drug discovery, biobanking, and other applications where maintaining sample integrity is critical throughout multiple processing steps.
Choose screw cap tubes instead of snap-cap tubes when working with volatile samples, repeated freeze-thaw cycles, high centrifugal forces above 16,000 &times; g, or long-term storage at &minus;80 &deg;C.
<h2 dir="ltr">&nbsp;</h2>
<h2 dir="ltr">In this part, you will discover:</h2>
&nbsp;
<ul>
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0.5mL, 1.5mL, 2.0mL (for small to moderate volume applications)
</li>
</ul>
<ul>
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O-ring caps: Leak-proof, prevents evaporation
</li>
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Tubes only: Compatible with existing caps
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</ul>
<ul>
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Sterile: For sensitive, contamination-prone work
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Non-sterile: Cost-effective for routine use
</li>
</ul>
&nbsp;
<h2 data-section-id="1w7d404" data-start="949" data-end="981">How to Choose Screw Cap Tubes</h2>
&nbsp;
O-Ring vs Non-O-Ring Seal
Screw cap tubes with integrated silicone O-rings provide a hermetic seal that is ideal for volatile chemicals, infectious materials, and valuable samples where evaporative loss must be minimized. Non-O-ring designs, including rim-seal and plug-seal caps, are suitable for most routine molecular biology storage applications at temperatures between &minus;20 &deg;C and &minus;80 &deg;C and are often easier to open when working in cold environments.
Internal Thread vs External Thread
Internal-thread screw cap tubes maintain a smooth exterior profile and are generally compatible with standard microcentrifuge rotors without requiring additional adapters. External-thread designs provide easier cap handling while wearing gloves and are frequently used in self-standing tube formats that can be placed directly in racks.
Volume Selection: 0.5 mL vs 1.5 mL vs 2.0 mL
0.5 mL screw cap tubes are commonly used for concentrated enzymes, antibodies, and other valuable reagents where minimizing dead volume is important.
1.5 mL screw cap tubes are the standard choice for molecular biology applications, including RNA and DNA storage, pellet recovery, and protein fraction collection.
2.0 mL screw cap tubes provide additional capacity and headspace for bead-based extraction methods, precipitation workflows, and sample mixing procedures.
Nest Scientific offers 0.5 mL, 1.5 mL, and 2.0 mL self-standing screw cap tubes with multiple cap color options to simplify sample identification and organization.
Sterility Grade
Sterile screw cap tubes are gamma- or E-beam-irradiated to a sterility assurance level (SAL) of 10⁻⁶ and are recommended for RNA applications, clinical specimen processing, and cell culture workflows. Non-sterile RNase-free and DNase-free tubes provide a cost-effective alternative for DNA and protein-related applications.
&nbsp;
<h2 data-section-id="ibka1i" data-start="2868" data-end="2901">Compare Screw Cap Tube Options</h2>
&nbsp;
Nest Scientific self-standing screw cap tubes are available in 0.5 mL, 1.5 mL, and 2.0 mL volumes with external threads and integrated sealing rings. Rated up to 20,000 &times; g, these tubes are ideal for general sample storage and laboratories that use color-coded organization systems.
Globe Scientific self-standing screw cap tubes with silicone O-rings are offered in 1.5 mL and 2.0 mL formats. Their enhanced sealing performance makes them particularly suitable for volatile samples, cryogenic storage, and applications where maximum sample protection is required. These tubes are rated up to 20,000 &times; g.
Conical-bottom screw cap tubes are commonly available in 1.5 mL formats with internal threads and optional sealing systems. Their conical design improves pellet recovery and makes them well suited for precipitation and centrifugation workflows. These tubes can withstand centrifugal forces up to 20,000 &times; g.
Amber screw cap tubes are available in 1.5 mL and 2.0 mL capacities and feature O-ring seals for additional protection. Designed for light-sensitive samples, they are typically rated up to 16,000 &times; g and help protect reagents from light-induced degradation.
&nbsp;
<h2 data-section-id="1jl751w" data-start="4094" data-end="4119">Specifications Context</h2>
&nbsp;
Globe Scientific and Nest Scientific screw cap microtubes are manufactured from USP Class VI virgin polypropylene and are certified RNase-free, DNase-free, and non-pyrogenic by lot. Nest Scientific screw cap tubes are available with six cap color options, including blue, red, yellow, purple, green, and natural, and are typically packaged in packs of 50 tubes with 500 tubes per case. These tubes are suitable for temperatures ranging from &minus;80 &deg;C to +121 &deg;C.
As of 2026, MBP stocks both self-standing and conical-bottom screw cap tube formats from Globe Scientific and Nest Scientific. Availability may vary by volume, cap style, and color configuration.
Don't let equipment choices hold back your next breakthrough. <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Contact our team at Molecular Biology Products Inc.</a> for a custom quote.

Screw Cap Tubes

111690-Group-Tubes, Caps & Racks Catalog

Globe Scientific's Screwcap Microcentrifuge Tubes

111690 by Globe Scientific is a 0.5 mL sterile polypropylene microcentrifuge tube with an attached screw cap and nitrile O-ring seal, supplied 1000 per case (500/bag, 2 bags). Certified DNase-free, RNase-free, and pyrogen-free. The screw cap with O-ring provides a secure, leak-resistant seal for sample storage, transport, and low-volume microcentrifuge applications. ISO 9001:2015 certified manufacturer.

Microtube, 0.5mL, Attached Screw Cap for Color Insert, with O-Ring, STERILE, PP, 500/Bag, 2 Bags/Unit, CS/1000

Microtube, 0.5mL, PP, No Cap, BAG/1000

Microtube, 0.5mL, Self-Standing, Attached Screwcap for Color Insert, with O-Ring, STERILE, PP, 500/Bag, 2 Bags/Unit, CS/1000

Microtube, 0.5mL, Self-Standing, PP, No Cap, BAG/1000

Microtube, 1.5mL, Attached Screw Cap for Color Insert, with O-Ring, STERILE, PP, 500/Bag, 2 Bags/Unit, CS/1000

Microtube, 1.5mL, PP, No Cap, BAG/1000

Microtube, 1.5mL, Self-Standing, Attached Screw Cap for Color Insert, with O-Ring, STERILE, PP, 500/Bag, 2 Bags/Unit, CS/1000

Microtube, 1.5mL, Self-Standing, PP, No Cap, BAG/1000

Microtube, 2mL, Attached Screw Cap for Color Insert, with O-Ring, STERILE, PP, 500/Bag, 2 Bags/Unit, CS/1000

Microtube, 2mL, PP, No Cap, BAG/1000

Microtube, 2mL, Self-Standing, Attached Screw Cap for Color Insert, with O-Ring, STERILE, PP, 500/Bag, 2 Bags/Unit, CS/1000

Microtube, 2mL, Self-Standing, PP, No Cap, BAG/1000

Wide Mouth Bottles

<h2 data-section-id="dscteu" data-start="0" data-end="42">What Are Wide Mouth Laboratory Bottles?</h2>
&nbsp;
Wide-mouth laboratory bottles are storage containers designed with a broad neck opening, typically ranging from 38 mm to 63 mm in diameter, allowing easy filling, dispensing, and cleaning. Their large opening makes them ideal for handling powders, granules, viscous liquids, biological samples, and other materials that are difficult to transfer through narrow-neck containers. Globe Scientific Diamond RealSeal wide-mouth bottles are available in several materials, including HDPE, polypropylene (PP), LDPE, and PETG, each suited to different laboratory applications. HDPE bottles offer excellent chemical resistance and low-temperature performance, PP bottles provide autoclavability, LDPE bottles offer flexibility, and PETG bottles are commonly used for sterile media storage. For laboratories requiring maximum storage efficiency and sterilization capability, PP square wide-mouth bottles are often the preferred option because they are autoclavable and utilize shelf space more effectively than round bottles.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Wide mouth bottles in multiple capacities (50 mL, 100 mL, 250 mL, 500 mL, 1 L, 2 L)
</li>
<li dir="ltr" aria-level="1">
HDPE wide mouth storage bottles for general laboratory use
</li>
<li dir="ltr" aria-level="1">
Polypropylene (PP) autoclavable bottles for sterile applications
</li>
<li dir="ltr" aria-level="1">
Clear wide mouth bottles for easy sample visibility
</li>
<li dir="ltr" aria-level="1">
Amber wide mouth bottles for light-sensitive reagents
</li>
<li dir="ltr" aria-level="1">
Graduated bottles for accurate volume measurement
</li>
</ul>
&nbsp;
<h2 data-section-id="vq7xyo" data-start="1061" data-end="1096">How to Choose Wide Mouth Bottles</h2>
&nbsp;
Round vs. Square Design
Round wide-mouth bottles are the traditional laboratory format and fit easily into standard storage racks and holders. Their curved interior walls help reduce material retention during dispensing and cleaning. Square bottles maximize storage efficiency by reducing unused space between containers on shelves and inside refrigerators. They also provide flat surfaces for labels, making identification easier and improving label adhesion. Laboratories managing large inventories often favor square bottles for their superior space utilization.
Material and Temperature Requirements
HDPE wide-mouth bottles are suitable for general-purpose chemical, reagent, and sample storage. They offer broad chemical compatibility and can be used in low-temperature environments, including standard laboratory freezers and many ultra-low temperature applications. Polypropylene wide-mouth bottles are the preferred choice when sterilization is required, as they can be autoclaved at 121&deg;C without deformation. LDPE bottles provide flexibility and are useful when gentle squeezing or easy handling is beneficial, although they are not intended for autoclaving. PETG bottles combine excellent clarity with durability and are commonly selected for sterile media preparation and storage.
Amber Bottles for Light-Sensitive Materials
Amber wide-mouth bottles help protect photosensitive materials from UV and visible light exposure. They are commonly used for storing light-sensitive powders, chemicals, biological reagents, and pharmaceutical compounds. When long-term light protection is required, amber HDPE bottles provide an effective and economical storage solution.
Volume Selection
Smaller bottles in the 30&ndash;60 mL range are ideal for standards, reference materials, and small sample aliquots. Mid-size bottles between 125 mL and 500 mL are commonly used for working reagents, buffers, and routine laboratory materials. Larger bottles ranging from 1 L to 2 L are suitable for bulk powders, stock solutions, and frequently accessed laboratory reagents.
&nbsp;
<h2 data-section-id="1jl751w" data-start="3843" data-end="3868">Specifications Context</h2>
&nbsp;
Globe Scientific Diamond RealSeal HDPE and PP wide-mouth bottles are manufactured from virgin FDA-compliant resins and feature smooth interior surfaces and consistent wall thickness for reliable performance. The Diamond RealSeal closure system uses an integral-seal polypropylene cap that provides a secure, leak-resistant closure without requiring separate liners or gaskets. The Diamond Essentials line offers bulk-packaged HDPE bottles for high-volume laboratory operations where cost efficiency is important. As of 2026, 250 mL and 500 mL HDPE wide-mouth bottles remain among the most commonly used formats in research, pharmaceutical, academic, and industrial laboratories for reagent and sample storage. Explore narrow mouth bottles for liquid-focused applications and wash mouth bottles for controlled squeeze dispensing.
For product details, specifications, or bulk purchasing support, <a href="https://mbpinc.net/contact-us">the MBP team is ready to assist</a> with the right solution for your laboratory needs.

Wide Mouth, Round Bottles, LDPE Specifications

Globe Scientific's Wide Mouth Round Bottles Series

600408-12 by Globe Scientific — wide-mouth LDPE round laboratory bottles with polypropylene screw caps featuring a separate plug insert for secondary leak-resistant closure. Food-grade certified, molded graduations, security seal accommodation. Available from 50 mL to 2000 mL.

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 50mL, BAG/12

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 50mL, BOX/100

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 50mL, 100/Bag, 4 Bags/Unit

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 100mL, BAG/12

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 100mL, BOX/100

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 100mL, 100/Bag, 7 Bags/Unit

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 250mL, BAG/12

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 250mL, BOX/50

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 250mL, 50/Bag, 6 Bags/Unit

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 500mL, BAG/12

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 500mL, BOX/20

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 500mL, 20/Bag, 8 Bags/Unit

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 1000mL, BAG/6

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 1000mL, BOX/20

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 1000mL, 20/Bag, 4 Bags/Unit

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 2000mL, BAG/4

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 2000mL, BOX/20

Bottle with Screwcap, Wide Mouth, Round, Graduated, LDPE (Cap: PP), 2000mL, 20/Bag, 2 Bags/Unit

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 25mL, BAG/10

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 25mL, BOX/100

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 25mL, 100/Bag, 5 Bags/Unit

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 50mL, BAG/10

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 50mL, BOX/100

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 50mL, 100/Bag, 4 Bags/Unit

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 100mL, BAG/10

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 100mL, BOX/100

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 100mL, 100/Bag, 6 Bags/Unit

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 250mL, BAG/10

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 250mL, BOX/50

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 250mL, 50/Bag, 6 Bags/Unit

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 500mL, BAG/6

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 500mL, BOX/25

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 500mL, 25/Bag, 6 Bags/Unit

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 1000mL, BAG/6

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 1000mL, BOX/20

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 1000mL, 20/Bag, 4 Bags/Unit

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 2000mL, BAG/6

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 2000mL, BOX/20

Bottle with Screwcap, Wide Mouth, Square, Graduated, PE (Cap: PP), 2000mL, 20/Bag, 2 Bags/Unit

Wide Neck, Round Bottles, LDPE Specifications

Globe Scientific's Wide Neck Round Bottles Series

601608 by Globe Scientific is a 50 mL wide neck round LDPE bottle with a PP screwcap, deep-thread leakproof neck, molded graduations, and food-grade approval. Flexible LDPE enables squeeze-dispensing. Series covers 50 mL to 2000 mL with mouth IDs from 24 mm (50–100 mL) to 55 mm (1000 mL). Not autoclavable.

**SPECIAL ORDER**  Bottle with Screwcap, Wide Mouth, LDPE, Graduated, 50mL, CS/100

**SPECIAL ORDER** Bottle with Screwcap, Wide Mouth, LDPE, Graduated, 50mL, BAG/10

Bottle with Screwcap, Wide Mouth, LDPE, Graduated, 100mL, CS/100

Bottle with Screwcap, Wide Mouth, LDPE, Graduated, 100mL, BAG/10

** SPECIAL ORDER ITEM ** Bottle with Screwcap, Wide Mouth, LDPE, Graduated, 250mL, CS/50

** SPECIAL ORDER ITEM ** Bottle with Screwcap, Wide Mouth, LDPE, Graduated, 250mL, BAG/10

**SPECIAL ORDER** Bottle with Screwcap, Wide Mouth, LDPE, Graduated, 500mL, CS/25

**SPECIAL ORDER**Bottle with Screwcap, Wide Mouth, LDPE, Graduated, 500mL, BAG/5

** SPECIAL ORDER ITEM ** Bottle with Screwcap, Wide Mouth, LDPE, Graduated, 1000mL, CS/17

** SPECIAL ORDER ITEM ** Bottle with Screwcap, Wide Mouth, LDPE, Graduated, 1000mL, BAG/5

** SPECIAL ORDER ITEM ** Bottle with Screwcap, Wide Mouth, LDPE, Graduated, 2000mL, CS/15

Bottle with Screwcap, Wide Mouth, PP, Graduated, 50mL, CS/100

Bottle with Screwcap, Wide Mouth, PP, Graduated, 50mL, BAG/10

Bottle with Screwcap, Wide Mouth, PP, Graduated, 100mL, CS/100

Bottle with Screwcap, Wide Mouth, PP, Graduated, 100mL, BAG/10

Bottle with Screwcap, Wide Mouth, PP, Graduated, 250mL, CS/50

Bottle with Screwcap, Wide Mouth, PP, Graduated, 250mL, BAG/10

Bottle with Screwcap, Wide Mouth, PP, Graduated, 500mL, CS/25

Bottle with Screwcap, Wide Mouth, PP, Graduated, 500mL, BAG/5

Bottle with Screwcap, Wide Mouth, PP, Graduated, 1000mL, CS/17

Bottle with Screwcap, Wide Mouth, PP, Graduated, 1000mL, BAG/5

Bottle with Screwcap, Wide Mouth, PP, Graduated, 2000mL, CS/15

Bottle with Screwcap, Wide Mouth, PP, Graduated, 2000mL, EA

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).
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<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>
</ul>
<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.

5131-Analyzer Consumables Catalog

HITACHI: Cuvette, for use with Hitachi 911 & 912 analyzers, 6/Set, 4 Sets/Unit, CS/24

5131 by Globe Scientific is a 20-place Bionex cuvette segment for Hitachi® 911 and 912 clinical chemistry analyzers. Packaged 6 segments per set, 4 sets per case (24 segments/case, 480 reaction positions). Globe Scientific OEM-compatible replacement for routine cuvette maintenance. Not compatible with Hitachi 902 — for 902 instruments use SKU 5133.

5133-Analyzer Consumables Catalog

HITACHI: Cuvette, for use with the Hitachi 902 analyzer, 6/Set, 4 Sets/Unit (Note: New packaging) ** SPECIAL ORDER ITEM **, CS/24

5133 by Globe Scientific is an 8-place PMMA cuvette segment for the Hitachi® 902 clinical chemistry analyzer. Supplied 6 cuvettes/box, 4 boxes/case (24 cuvettes/case, 192 reaction positions). OEM-compatible Globe Scientific replacement. Special Order Item — confirm lead time with MBP before ordering. Not compatible with Hitachi 911/912 (use SKU 5131 for those).

5130-Group-Analyzer Consumables Catalog

Hitachi 717 Cuvette

5130 by Globe Scientific is a 20-place PMMA cuvette segment for Hitachi® 717 and 914 clinical chemistry analyzers. Each unit contains 4 sets of 6 segments (24 total); the 5130B unit ships 12 sets (72 total). PMMA construction delivers the optical clarity required for accurate photometric analysis across routine clinical chemistry panels.

HITACHI: Cuvette, for use with Hitachi 717 & 914 analyzers, 6/Set, 4 Sets/Unit, CS/24

HITACHI: Cuvette, for use with Hitachi 717 & 914 analyzers, 6/Set, 12 Sets/Unit, CS/72

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