Tubes & Sample Collection

15ml & 50ml Centrifuge Tubes

<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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<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.
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<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.
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<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.
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<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.
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<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.
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</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

Tubes, Caps & Racks Catalog

TDS-112010

6260-Group-TDS-112040

Plain Top Centrifuge Tubes

6260 by Globe Scientific is a 15 mL plain-top polystyrene centrifuge tube, 16 × 120 mm, with molded graduations from 0.5–15 mL in 0.5 mL increments. No cap included — fits standard 16 mm stoppers and snap caps. Available in bulk-box and dispenser-box packaging; PP variant also available. Order from MBP, a registered vendor to Howard Hughes Medical Institute, Vanderbilt University, MD Anderson Cancer Center, Eurofins, and many other institutes across the USA.

Manufacture

Centrifuge Tube, 15mL, PS, Molded Graduations, 250/Bag, 4 Bags/Unit, CS/1000

Centrifuge Tube, 15mL, PS, Molded Graduations, 250/Bag, BAG/250

Centrifuge Tube, 15mL, PS, Molded Graduations, 100/Dispenser Box, 10 Boxes/Unit, CS/1000

Centrifuge Tube, 15mL, PS, Molded Graduations, 100/Dispenser Box, BOX/100

Centrifuge Tube, 15mL, PP, Molded Graduations, 250/Bag, 4 Bags/Unit, CS/1000

Centrifuge Tube, 15mL, PP, Molded Graduations, 250/Bag, BAG/250

Centrifuge Tube, 15mL, PS, Molded Graduations, with Separate Natural Plug Cap, CS/1000

Centrifuge Tube, 15mL, PP, Molded Graduations, 100/Dispenser Box, 10 Boxes/Unit, CS/1000

Centrifuge Tube, 15mL, PP, Molded Graduations, 100/Dispenser Box, BOX/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.

Plain Top Graduated Centrifuge Tubes

Globe Scientific 112010 plain-top PS centrifuge tube, 12 mL. Graduated at 0.5, 1, 2.5, 5, and 10 mL. Non-flared rim; cap sold separately.

Centrifuge Tube, 16 x 100mm (12mL), PS, with Separate White Plug Cap, CS/2000

Centrifuge Tube, 16 x 100mm (12mL), PS, 500/Bag, CS/500

Centrifuge Tube, 16 x 100mm (12mL), PP, 500/Bag, 4 Bags/Unit

Centrifuge Tube, 16 x 100mm (12mL), PP, 500/Bag

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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<ul>
<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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</ul>
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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>

110158-Group-Tubes, Caps & Racks Catalog

Plastic Tubes with Dual Position Snap Cap

Globe Scientific 110158 — sterile 17×100 mm culture tube with attached dual-position LDPE snap cap. Loose position allows aerobic gas exchange; sealed position closes for anaerobic culture or transport. Available in polystyrene (1,500 RPM max) or polypropylene (3,000 RPM, autoclavable, freezable). Pack of 25 per bag, 500 per case.

Culture Tube, 17 x 100mm (15mL), PS, STERILE, Attached Dual Position Cap, 25/Bag, 20 Bags/Unit, CS/500

Culture Tube, 17 x 100mm (15mL), PP, STERILE, Attached Dual Position Cap, 25/Bag, 20 Bags/Unit, CS/500

Lab Supplies for Physicians Offices

Plug Caps for Test Tubes

116132 by Globe Scientific is a 16 mm high-grip white polyethylene (PE) plug cap for test tubes. The friction-fit design enables quick batch capping of 16 mm glass or plastic test tubes; available in multiple sizes (11 mm–17 mm) and colors for sample color-coding from MBP.

Cap, Plug, 16mm, High Grip, White, BAG/1000

Cap, Plug, 16mm, White, 1000/Bag, CS/10000

Cap, Plug, 16mm, Blue, 1000/Bag, CS/10000

Cap, Plug, 16mm, Green, 1000/Bag, CS/10000

Cap, Plug, 16mm, Red, 1000/Bag, CS/10000

Cap, Plug, 16mm, Yellow, 1000/Bag, CS/10000

Cap, Plug, 12mm, Blue, CS/20000

Cap, Plug, 12mm, Clear, CS/20000

Cap, Plug, 12mm, Green, CS/20000

Cap, Plug, 12mm, Lavender, CS/20000

Cap, Plug, 12mm, Orange, CS/20000

Cap, Plug, 12mm, Red, CS/20000

Cap, Plug, 12mm, White, CS/20000

Cap, Plug, 12mm, Yellow, CS/20000

Cap, Plug, 11mm, Natural, BAG/1000

Plug Stoppers - For 12mm Tubes

Globe Scientific's polyethylene (PE) plug caps are designed in 11mm, 12mm, 16mm and 17mm sizes and are available in a selection of colors for sample identification. \n\nDescription: Cap, Snap, 10mm, PE, for Vacuum and Test Tubes, CS/10000\n\n

Blue

Clear

Green

Lavender

Yellow

Storage Bottles

<h2 data-section-id="1nhmff" data-start="0" data-end="39">What Are Laboratory Storage Bottles?</h2>
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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.
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<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>
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<h2 data-section-id="e7a0da" data-start="1174" data-end="1217">How to Choose Laboratory Storage Bottles</h2>
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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.
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<h2 data-section-id="1jl751w" data-start="3910" data-end="3935">Specifications Context</h2>
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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

Polystyrene Storage Bottles (Sterile)

Polystyrene Storage Bottles, Neck Size 45 mm, Sterile

346021 by NEST Scientific is a 150 mL sterile polystyrene storage bottle with a 45 mm neck and sterile polyethylene screw cap, e-beam sterilized to SAL 10⁻⁶, and certified DNase-free, RNase-free, and non-pyrogenic. Supplied 1 per individually wrapped sterile pack, 24 per case. Suitable for tissue culture media, biological buffers, and use as a receiving bottle with 45 mm vacuum filter units.

Manufacturer

150 mL Polystyrene Storage Bottles, Neck Size 45 mm, Sterile, 1/pk, 24/cs

250 mL Polystyrene Storage Bottles, Neck Size 45 mm, Sterile, 1/pk, 24/cs

500 mL Polystyrene Storage Bottles, Neck Size 45 mm, Sterile, 1/pk, 24/cs

1000 mL Polystyrene Storage Bottles, Neck Size 45 mm, Sterile, 1/pk, 12/cs

Funnels

<h2>What Are Laboratory Weighing Funnels?</h2>
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Laboratory weighing funnels are single-use antistatic polypropylene (PP) funnels specifically designed for the weighing-and-transfer step in analytical chemistry, pharmaceutical weighing, and sample preparation workflows. Unlike standard powder funnels, weighing funnels have one flat side that allows the funnel to rest stable on a balance pan during mass measurement, and a conical stem sized to the neck of a specific volumetric flask volume. After the sample mass is recorded, the funnel inserts directly into the flask neck, and the sample is transferred by tipping or rinsing&mdash;providing quantitative, loss-free transfer into narrow-neck vessels. Available in extra small (fits microtubes and 5&ndash;20 mL flasks) through extra-extra-large (fits 1000 mL+ vessels). Antistatic weighing funnels are single-use; washing removes the antistatic treatment. Reusable funnels needing autoclave sterilization should be standard polypropylene powder funnels, not antistatic weighing funnels.
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<h2>What you will find:</h2>
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<ul>
<li>Powder funnels with wide stems for smooth solid transfer</li>
<li>Long-stem funnels for controlled pouring into narrow containers</li>
<li>Short-stem funnels for faster liquid transfer</li>
<li>Filter funnels for use with standard filter paper</li>
<li>Chemical-resistant plastic funnels for lab compatibility</li>
<li>Disposable funnels for single-use workflows</li>
</ul>
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<h2>How to Choose Laboratory Weighing Funnels</h2>
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Match Size to Flask Neck
The critical specification for a weighing funnel is the stem outer diameter relative to the flask neck inner diameter. Extra small fits 96-well microtubes and 5&ndash;20 mL volumetric flasks; small fits 20&ndash;50 mL; medium fits 50&ndash;200 mL; large fits 200&ndash;500 mL; extra large fits 500&ndash;1000 mL. A funnel that is too wide will not insert and will spill during transfer&mdash;when in doubt, choose one size smaller.
Disposable Antistatic vs. Reusable PP
For analytical weighing of fine powders, use disposable antistatic PP funnels&mdash;the antistatic surface dissipates charge that causes powder adhesion. For bulk transfer of coarse materials or liquids where static is not an issue, standard reusable polypropylene powder funnels (autoclavable at 121&deg;C, large-bore stem) are more economical and can be sterilized between uses.
Assorted vs. Individual Packs
Assorted packs covering extra small through extra large provide flexibility when flask sizes vary across experiments and reduce the number of individual SKUs to manage. Individual packs are more economical when only one funnel size is used at high volume.
Flat-Side Stability
All antistatic weighing funnels have one flat side on the funnel body. This flat face allows the funnel to rest stably on a balance pan without rolling during the weighing step before transfer&mdash;a design feature absent on standard laboratory funnels.
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<h2>Specifications Context</h2>
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Antistatic polypropylene weighing funnels achieve antistatic performance through a surface additive incorporated during molding; this is a surface treatment rather than a bulk polymer property. The flat side is designed to rest on a balance pan while keeping the stem vertical for direct transfer into volumetric flasks. As of 2026, these funnels are standard in pharmaceutical QC and analytical chemistry labs for gravimetric transfer workflows compliant with USP procedures. Explore weighing dishes and funnels category for related consumables.
Pick the size that fits your work&mdash;and everything else gets a lot easier.&nbsp;<a href="https://mbpinc.net/consumables/tubes-and-sample-collection/funnels" title="Contact the MBP Team">Contact the MBP Team</a> today.

Laboratory Essentials

Powder Funnels Specifications

Powder Funnel

Globe Scientific 600171 polypropylene powder funnel, 60 mm top diameter, 15 mm OD stem, 20 mm stem length. 60-degree angle for rapid powder flow; external ribbing prevents air lock; autoclavable at 121°C. Food-product approved. 5/pack.

Funnel, Powder, PP, 60mm, BOX/20

Funnel, Powder, PP, 60mm, BAG/5

Funnel, Powder, PP, 80mm, BOX/20

Funnel, Powder, PP, 80mm, BAG/2

Funnel, Powder, PP, 100mm, BOX/20

Funnel, Powder, PP, 100mm, BAG/2

Funnel, Powder, PP, 120mm, BOX/10

Funnel, Powder, PP, 120mm, BAG/2

Funnel, Powder, PP, 150mm, Bag/10

Funnel, Powder, PP, 150mm, BAG/2

Funnel, Powder, PP, 180mm, BAG/5

Funnel, Powder, PP, 180mm, EA

Reaction Tubes

<h2 dir="ltr">What are Reaction Tubes?</h2>
 Reaction tubes are polypropylene (PP) single-use or low-retention microcentrifuge and PCR tubes used as the primary vessel for molecular biology reactions&mdash;PCR amplification, reverse transcription, restriction digestion, ligation, nucleic acid precipitation, protein extraction, and centrifugation of microvolume samples. Reaction tube quality directly affects PCR sensitivity, sample recovery, and contamination risk. Choose PCR-clean or PCR-grade tubes&mdash;certified free of DNA, DNase, RNase, and PCR inhibitors&mdash;for any molecular biology reaction where contamination would invalidate the result.
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<h2 dir="ltr">What you will find:</h2>
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<li dir="ltr" aria-level="1">Globe Scientific PS reaction tubes provide reliable compatibility with Sysmex&reg; coagulation analyzers.</li>
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Microcentrifuge reaction tubes (0.5 mL, 1.5 mL, 2.0 mL sizes)
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Conical-bottom polypropylene tubes for efficient pellet formation
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Snap-cap reaction tubes for quick, single-hand operation
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Screw-cap tubes for secure long-term sample storage
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PCR-clean and DNase/RNase-free reaction tubes
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Graduated tubes with measurement markings for accuracy
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High-temperature resistant tubes for centrifugation and incubation
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Low-retention tubes for improved sample recovery
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Sterile reaction tubes for sensitive molecular workflows
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General-purpose laboratory micro reaction vessels
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</ul>
<h2 dir="ltr"> How to Choose Reaction Tubes</h2>
 Volume and Format: 0.2 mL vs. 0.5 mL vs. 1.5/2.0 mL 0.2 mL thin-wall tubes and strip tubes are the standard PCR format; consistent wall thickness (&le;0.2 mm) ensures efficient heat transfer between the thermal cycler block and the sample. 0.5 mL tubes are used for reactions generating small volumes that benefit from a snap-cap format. 1.5 mL and 2.0 mL hinged-lid tubes are the universal format for sample prep, restriction digests, ligation, protein assays, centrifugation, and short-term sample storage. Purity Grade: Standard vs. PCR-Clean vs. Certified RNase/DNase-Free Standard polypropylene tubes are adequate for general sample storage and centrifugation. PCR-clean tubes are certified free of DNA, DNase, RNase, and PCR inhibitors per lot testing &mdash; required for any PCR, RT-PCR, or sequencing preparation workflow. For RNA work, additionally confirm RNase-free certification. Eppendorf Safe-Lock Tubes (PCR clean grade) carry a two-layer resealable packaging system that maintains purity until the point of use. Low-Retention vs. Standard Polypropylene Low-retention PP is treated to reduce protein and nucleic acid adsorption to the tube wall. For reactions using &lt;50 &micro;L of a dilute nucleic acid or protein sample, low-retention tubes can recover 15&ndash;30% more material than standard PP by reducing wall-adsorption losses. Use low-retention tubes for single-cell, low-copy-number, or precious-sample workflows. Hinged Lid (Safe-Lock) vs. Snap-Cap Hinged-lid tubes (Eppendorf Safe-Lock style) have a locking latch that prevents accidental opening during centrifugation and vortexing, retaining samples at forces up to 21,300 &times; g. Standard snap-cap tubes may open at high g-forces, causing sample loss and cross-contamination. Choose Safe-Lock format for any step involving high-speed centrifugation or vigorous mixing. Color Coding Color-coded reaction tubes (natural/clear, yellow, red, blue, green) improve sample tracking at the bench and reduce the risk of mix-ups in multi-sample workflows. NEST Scientific offers colored tube collections. Confirm that the colorant does not interfere with spectrophotometric measurements (OD at 260/280 nm) if measuring nucleic acid concentration directly in the tube using a microvolume spectrophotometer. 
<h2 dir="ltr"> Specifications Context</h2>
 NEST Scientific 1.5 mL and 2.0 mL tubes are carried by MBP and provide an ISO 9001:2015&ndash;certified alternative at cost-competitive pricing for high-volume labs. Reaction tubes are available from MBP in bulk pack sizes of 500 and 1,000 tubes for 1.5 mL and 2.0 mL formats, and trays of 1,000 for 0.2 mL PCR formats. &nbsp;
For the right selection based on volume, sterility, or application type, the <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">MBP team </a>can help match the ideal reaction tube to your workflow requirements.

5530-Analyzer Consumables Catalog

5530-TDS-5530

SYSMEX: Reaction Tube, for use with Sysmex CA Series analyzers, 12000/Cs

5530 by Globe Scientific — 0.8 mL polystyrene reaction tubes (10 mm × 30 mm) for Sysmex CA50, CA500, CA1000, CA1500, and CA5000 coagulation analyzers. Sold in cases of 12,000. Available from MBP Inc. worldwide.

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.
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<h2 dir="ltr">What you will find:</h2>
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0.2 mL automation sample cups for micro-volume testing
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0.5 mL sample cups for routine analyzer use
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1.5 mL sample cups for standard clinical workflows
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Clear polystyrene sample cups for accurate readings
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Conical-bottom cups for complete sample pickup
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Low-dead-volume cups for minimal sample waste
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Analyzer-compatible sample cups for clinical systems
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Disposable sample cups for single-use workflows
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Nesting cups for easy storage and handling
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<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

5531-Analyzer Consumables Catalog

SYSMEX: Sample Cup, 2mL, for use with Sysmex CA Series analyzers, BAG/1000

5531 by Globe Scientific is a 2 mL clear polystyrene sample cup for Sysmex® CA 50, 500, 1000, 1500, and 5000 coagulation analyzers. A cost-effective OEM-equivalent replacement supplied in bags of 1,000 for high-volume clinical coagulation labs. Order at <a href="https://mbpinc.net/quickorder">mbpinc.net/quickorder</a> using catalog number 5531.

6500-Group-Analyzer Consumables Catalog

Sample Cup with Cap for Cobas Mira, Bio, Fara and Horiba ABX analyzers

6500 by Globe Scientific is a non-sterile polyethylene sample cup with an attached snap cap, available in five colors, designed as a direct-replacement consumable for Cobas Mira®, Bio®, Fara®, and Horiba ABX® clinical chemistry analyzers. Sold in bags of 1,000, these cups support high-throughput clinical lab workflows and color-coded sample tracking programs.

HORIBA ABX: Sample Cup with Cap for Cobas Mira, Bio, Fara and Horiba ABX analyzers, Blue, CS/12000

HORIBA ABX: Sample Cup with Cap for Cobas Mira, Bio, Fara and Horiba ABX analyzers, Clear, CS/12000

HORIBA ABX: Sample Cup with Cap for Cobas Mira, Bio, Fara and Horiba ABX analyzers, Green, CS/12000

HORIBA ABX: Sample Cup with Cap for Cobas Mira, Bio, Fara and Horiba ABX analyzers, Red, CS/12000

HORIBA ABX: Sample Cup with Cap for Cobas Mira, Bio, Fara and Horiba ABX analzyers, Yellow, CS/12000

110913-Analyzer Consumables Catalog

110913-TDS-110913

Sample Cup, 3mL, PS, for Tosoh 360 and AIA-600 II, 1000/Bag, CS/5000

110913 by Globe Scientific is a 3 mL polystyrene sample cup dimensionally validated for the Tosoh 360 and AIA-600 II immunoassay analyzers. Non-sterile, single-use. Supplied 1,000 cups/bag; CS/5,000 per case.

5548-Analyzer Consumables Catalog

Sample Cup, Micro Volume, 0.5mL, for Kodak and Orthos Vitros 250 HDL, 1000/Bag

5548 by Globe Scientific is a 0.5 mL polystyrene micro sample cup (16 × 20 mm) for the Kodak® Ektachem®, Ortho® Vitros 250®, and IDEXX® Catalyst® DX clinical chemistry analyzers. 1,000/bag. PS construction, optically clear, compatible with serum and plasma matrices. Order from MBP, a registered vendor to Howard Hughes Medical Institute, Vanderbilt University, MD Anderson Cancer Center, Eurofins, and many other institutes across the USA.

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