Tubes & Sample Collection

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:
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microcentrifuge-tubes" title="Microcentrifuge Tubes">Microcentrifuge Tubes</a> &ndash; Precision-engineered for small-volume sample preparation.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/screw-cap-tubes" title="Screw Cap Tubes">Screw Cap Tubes</a> &ndash; Secure, leak-proof closures for long-term storage and transport.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/15ml-and-50ml-centrifuge-tubes" title="15ml &amp; 50ml Centrifuge Tubes">15ml &amp; 50ml Centrifuge Tubes</a> &ndash; Standard conical bottom tubes for large-volume processing.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/midicentrifuge-tubes-5ml-and-10ml" title="Midicentrifuge Tubes (5ml &amp; 10ml)">Midicentrifuge Tubes (5ml &amp; 10ml)</a> &ndash; The perfect bridge for intermediate sample sizes.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microtubes-box" title="Microtubes Box">Microtubes Box</a> &ndash; Durable storage racks for organized sample management and protection.
</li>
</ul>
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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="hcowtr" data-start="0" data-end="45">What Are 15 mL and 50 mL Centrifuge Tubes?</h2>
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15 mL and 50 mL centrifuge tubes are conical-bottom vessels in polypropylene (PP) or polystyrene (PS), the two most commonly used tube formats in research and clinical laboratories worldwide. The 15 mL tube is the standard for cell pelleting, RNA isolation, small-scale protein purification, and clinical sample preparation. The 50 mL tube handles larger culture volumes, gradient preparation, tissue homogenate clarification, and bulk precipitation steps. Both formats from Globe Scientific and Nest Scientific are rated to 12,000&ndash;15,000 &times; g in a supported rotor.
15 mL for cell and molecular workflows under 12 mL; 50 mL for culture volumes, gradients, and any prep where a 15 mL conical runs out of headroom.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li>Attached flat top screw cap: Leak-proof, one-hand use</li>
<li>Racked: Pre-organized for high-throughput</li>
<li>Self-standing: Stable skirted base</li>
<li>Sterile: For contamination-sensitive work</li>
<li>Non-sterile: General, cost-effective use</li>
<li dir="ltr" role="presentation">Bulk: High-volume, economical</li>
<li dir="ltr" role="presentation">Racked: Organized &amp; ready-to-use</li>
<li dir="ltr" role="presentation">PS racked: Extra stability with polystyrene racks</li>
</ul>
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<h2 data-section-id="1j0vxh6" data-start="772" data-end="821">How to Choose 15 mL and 50 mL Centrifuge Tubes</h2>
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Material: PP vs PS
Polypropylene tubes (Globe Scientific, Nest Scientific) are resistant to most organic solvents, stable from &minus;80 &deg;C to +121 &deg;C, and autoclavable. Polystyrene tubes offer greater optical clarity &mdash; the tube wall is transparent enough to read the sample meniscus and assess pellet quality without removing the tube from the rack. Choose PS when visual inspection is a workflow step; choose PP for all other applications.
Sterility Grade
Sterile tubes (gamma- or E-beam-irradiated, RNase-free, DNase-free, non-pyrogenic) are required for RNA work, primary cell culture, and clinical sample handling. Non-sterile, DNase/RNase-free tubes are appropriate and more cost-effective for DNA extractions, protein assays, and general preparative spins.
Cap Style: Flat-Top vs Plug-Seal
Flat-top screw caps (high-density polyethylene, HDPE) provide a flat writing surface for sample labeling and a double-threaded design that reduces cross-threading in high-throughput workflows. Plug-seal screw caps (HDPE or PP) create a secondary internal seal for leak-prone applications. Attached caps come pre-assembled on sterile tubes; separate caps are standard on non-sterile tubes.
Pack Format: Racked vs Bagged
Racked tubes (foam or PS rack, 50 &times; 15 mL or 25 &times; 50 mL per rack, 500 per case) allow direct pipetting without removing tubes and enable viewing of graduations without disturbing the rack. Bagged tubes (25 or 50 per bag, 500 per case) offer a lower cost per tube and suit labs with robotic liquid handlers or in-house racking systems.
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<h2 data-section-id="up19i6" data-start="2392" data-end="2431">Compare 15 mL and 50 mL Tube Options</h2>
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Globe Scientific 15 mL polypropylene tubes with flat-top blue caps are available in both sterile and non-sterile formats with attached or separate caps. These tubes can be purchased in racked or bagged packaging configurations, with 500 tubes per case, and are rated to withstand centrifugal forces up to 15,000 &times; g.
Globe Scientific 15 mL polystyrene tubes with red caps provide enhanced optical clarity for visual sample inspection and are available in sterile and non-sterile versions. They are supplied with attached or separate caps, offered in racked or bagged formats, and rated up to 12,000 &times; g.
Globe Scientific 50 mL polypropylene tubes with flat-top blue caps are designed for larger-volume centrifugation workflows. Available in sterile and non-sterile configurations with attached or separate caps, these tubes are supplied in racked or bagged packaging and can withstand centrifugal forces up to 15,000 &times; g.
Globe Scientific 50 mL polystyrene tubes with red caps combine large-volume capacity with excellent transparency for easy sample visualization. They are available in sterile and non-sterile formats, supplied with attached or separate caps, packaged either racked or bagged, and rated up to 12,000 &times; g.
Nest Scientific 15 mL polypropylene tubes are supplied sterile with attached caps and packaged in polystyrene racks containing 500 tubes per case. These tubes are rated to 12,000 &times; g and are commonly used in cell culture, clinical, and molecular biology applications.
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<h2 data-section-id="1jl751w" data-start="3950" data-end="3975">Specifications Context</h2>
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Globe Scientific 15 mL and 50 mL centrifuge tubes are molded from USP Class VI virgin polypropylene or polystyrene, certified RNase-free, DNase-free, and non-pyrogenic by lot. The 15 mL PP tube is rated to 15,000 &times; g; 50 mL PP tubes to 15,000 &times; g in a supported rotor. Graduated markings on 15 mL tubes read every 1 mL (with sub-milliliter graduations below 1 mL); 50 mL tubes every 5 mL. Globe Scientific is ISO 9001:2015 certified. As of 2026, MBP stocks flat-top (blue cap) and plug-seal (red cap) variants in PP and PS, with sterile and non-sterile options available.
Ensure your high-speed separations remain consistent and safe by choosing tubes built for extreme RCF ratings. <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Contact the Molecular Biology Products Inc. team</a> for a quote.

15ml & 50ml Centrifuge Tubes

DataSheet

15 mL & 50 mL Centrifuge Tube, Amber Color

601201 by NEST Scientific is a 15 mL amber-colored conical centrifuge tube engineered to protect photosensitive samples — including chemiluminescence reagents, fluorescent dyes, and vitamins — from UV and visible light degradation during processing and storage. Polypropylene, reusable PS rack, RNase/DNase-free, sterile, 500/cs.

Manufacturer

15ml Amber Color Centrifuge Tube, Rack(PS Rack), Sterile 50/pk, 500/cs

50ml Amber Color Centrifuge Tube, Rack (PS Rack), Sterile 25/pk, 500/cs

15 mL & 50 mL Centrifuge Tube, Premium Level

NEST Scientific 601001 premium 15 mL centrifuge tube: PP with leakproof flat cap, 12,000 × g rated, e-beam sterile SAL 10⁻⁶, non-pyrogenic, DNase/RNase-free. ISO 9001, 13485, 11137 certified. 50/rack, 500/case. Also available in 50 mL. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

15 mL Centrifuge Tube, Rack(PS Rack), premium, Sterile, 50/pk, 500/cs

15 mL Centrifuge Tube, Bulk, premium, Sterile, 50/pk, 500/cs

50 mL Centrifuge Tube, Rack (PS Rack), premium, Sterile, 25/pk, 500/cs

50 mL Centrifuge Tube, Bulk, premium, Sterile, 25/pk, 500/cs

15 mL & 50 mL Centrifuge Tube, Standard Level

601051 by NEST Scientific is a 15 mL polypropylene centrifuge tube (Standard Level) with a flat-top PE leakproof cap, rated to 12,000 × g and -80 °C to 121 °C. E-beam sterile to SAL 10⁻⁶, DNase/RNase-free, ISO 9001/13485/11137 certified. Printed graduations with writing area; ships in a polystyrene rack, 50/rack, 500/case. 50 mL variant also available.

Dry Heat Sterilization Indicator Tape, 0.75" Wide x 50 Meters (2000") Long per Roll

Autoclave Steam Sterilization Indicator Tape, 0.75" Wide x 50 Meters (2000") Long per Roll

15ml Centrifuge Tube,Bulk, standard, Non-sterile, caps separated, 50/pk, 500/cs

50ml Centrifuge Tube, PS Rack, standard, sterile 25/pk, 500/cs

50ml Centrifuge Tube,Bulk, standard, sterile 25/pk, 500/cs

High Volume Centrifuge Tubes

50ml Mini Reactor Tubes 

788211 by NEST Scientific is a 50 mL mini bio-reactor tube for small-scale suspension cell culture and bioreactor seeding. The 0.22 µm vented cap enables sterile gas exchange on a tube shaker; the conical PP/HDPE construction fits standard 50 mL centrifuge rotors. RNase/DNase-free, sterile, 10/pk, 100/cs.

<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>
<li dir="ltr" aria-level="1">
0.5mL, 0.6mL, 1.5mL, 2.0mL, 5.0mL (for small-volume to high-volume applications)
</li>
</ul>
<ul>
<li dir="ltr" aria-level="1">
Tubes only: Snap-cap, one-hand use
</li>
<li dir="ltr" aria-level="1">
O-ring caps: Leak-proof, secure seal
</li>
<li dir="ltr" aria-level="1">
Sterile: RNase/DNase-free for sensitive work
</li>
<li dir="ltr" aria-level="1">
Non-sterile: Cost-effective for general use
</li>
</ul>
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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

Snap Cap Microcentrifuge Tubes Specifications

5ml Clear Centrifuge Tubes, Round Bottom

NEST Scientific 603011 is a 5 mL clear round-bottom centrifuge tube — additive-free USP Grade VI polypropylene, snap cap, 12.32 × 51.93 mm, −80°C to +121°C range. ISO 13485:2016 and cGMP certified. Non-sterile, 200/pk, 2,000/cs. Standard format for flow cytometry and density-gradient separations.

5ml Centrifuge Tubes, Clear, Round Bottom, Snap Cap, non-sterile. 200/pk, 2000/case

5ml Centrifuge Tubes, Clear, Round Bottom, Snap Cap, Sterile, 200/pk, 2000/case

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

Large Volume Centrifuge Tubes

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

250ml Centrifuge Tubes

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

500ml Centrifuge Tubes

Product Literature

Centrifuge Tube Closed System Solution

Centrifuge Tube with Bi-directional Transfer Cap with Silicon Tube

C60622-EFB050A by NEST Scientific — 50 mL centrifuge tube with bi-directional transfer cap, silicone tube (1/8&quot; ID &times; 1/4&quot; OD), male Luer Lock connector, 0.22 &mu;m &times; 24 mm vent filter. Sterile, 1/pk, 4/cs.

50mL Centrifuge Tube with Bi-directional Transfer Cap with Silicon Tube (1/8" ID 1/4" OD), Male Luer Lock Connector with Luer Cap, Vent Filter (0.22 μm Φ24mm), Sterile, 1/pk, 4/cs

250mL Centrifuge Tube with Bi-directional Transfer Cap with Silicon Tube (50cm 1/8" ID 1/4" OD), Male Luer Lock Connector with Luer Cap, Vent Filter (0.22 μm Φ24mm), Sterile, 1/pk, 4/cs

500mL Centrifuge Tube with Bi-directional Transfer Cap with Silicon Tube (50cm 1/8" ID 1/4" OD), Male Luer Lock Connector with Luer Cap, Vent Filter (0.22 μm Φ24mm), Sterile, 1/pk, 4/cs

Lock Cap Microcentrifuge Tubes Specifications

Lock Cap Microcentrifuge Tubes, Amber Color

NEST Scientific 605501: 0.6 mL amber light-blocking PP microcentrifuge tube with conical bottom and lock cap. Non-sterile. Protects fluorescent dyes, light-sensitive enzymes, and chemiluminescent reagents during bench handling and centrifugation. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

0.6 mL Microcentrifuge Tube, Amber Color, Conical, Lock Cap, Non-Sterile, 1000/pk, 10000/cs

0.6ml Microcentrifuge Tube, Amber Color, Conical, Lock Cap, Sterile. 50/bag, 7500/case

1.5ml Microcentrifuge Tube, Amber Color, Conical, Lock Cap, Sterile. 50/bag, 4000/case

Lock Cap Microcentrifuge Tubes, Clear

NEST Scientific 605001: 0.6 mL clear PP microcentrifuge tube with conical bottom and lock cap. Non-sterile. 1000/pack, 10,000/case. Lock cap prevents inadvertent opening during centrifugation and vortexing. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

0.6ml Microcentrifuge Tube, Clear, Conical, Lock Cap,1000/pk, 10000/cs

1.5ml Microcentrifuge Tube, Clear, Conical, Lock Cap, 500/pk, 5000/cs

0.6ml Microcentrifuge Tube, Clear, Sterile, Conical, Lock Cap, 50/bag, 750/pk, 7500/cs

1.5ml Microcentrifuge Tube, Clear, Sterile, Conical, Lock Cap, 400/pk, 4000/cs

2.0ml Microcentrifuge Tube, Clear, Round, Lock Cap, 500/pk, 5000/cs

2.0ml Microcentrifuge Tube, Clear, Sterile, Round, Lock Cap, 50/bag, 400/pk, 4000/cs

<h2 data-section-id="6pyjd8" data-start="0" data-end="35">What Are Microtubes Box Formats?</h2>
&nbsp;
Microtubes in dispenser-box packaging are small polypropylene tubes, typically available in 0.5 mL, 1.5 mL, and 2.0 mL sizes, that are packaged upright in convenient dispenser boxes. These boxes generally contain between 500 and 1,000 tubes and are designed to improve workflow efficiency by keeping tubes organized, accessible, and ready for use. Unlike bulk bagged packaging, dispenser boxes reduce handling and help minimize the risk of contamination during routine laboratory procedures.
Microtube box formats are commonly used for DNA and RNA extraction, PCR preparation, protein precipitation, sample storage, and other microcentrifuge-based applications.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
0.6mL Microtubes Box &ndash; Tailored specifically for small-volume sample organization.
</li>
<li dir="ltr" style="color: #000000;" aria-level="1">
1.5mL Microtubes Box &ndash; Standard storage size for routine molecular biology tubes.
</li>
</ul>
&nbsp;
<h2 data-section-id="fiuw6i" data-start="884" data-end="922">How to Choose Microtube Box Formats</h2>
&nbsp;
Selecting the Right Volume
The appropriate microtube size depends on your sample volume and application.
0.5 mL microtubes are ideal for small reaction volumes and highly concentrated samples where minimizing dead volume is important.
1.5 mL microtubes are the most widely used option in molecular biology laboratories and are suitable for routine extractions, enzyme reactions, sample storage, and pellet collection.
2.0 mL microtubes provide additional capacity for larger sample volumes, bead-based extraction protocols, and applications that require extra headspace for mixing or agitation.
Choosing a Cap Style
Snap-cap microtubes feature hinged lids that can be opened and closed with one hand, making them convenient for everyday laboratory use. They provide secure sealing and are commonly used in standard microcentrifuge workflows.
Screw-cap microtubes offer an additional level of protection against evaporation and leakage. They are particularly useful for long-term storage, cryogenic applications, volatile samples, and situations where sample integrity is critical.
Certification Requirements
Globe Scientific microtubes are certified RNase-free, DNase-free, and pyrogen-free, making them suitable for molecular biology and nucleic acid applications. Laboratories performing RNA-related work should verify lot-specific certification when required for compliance or quality assurance purposes.
Packaging and Inventory Planning
Most dispenser-box formats are supplied in boxes of 500 tubes, although selected products are available in 1,000-tube configurations for high-volume laboratories. Evaluating average weekly usage can help determine the most efficient package size and reduce the risk of running out of consumables during critical workflows.
&nbsp;
<h2 data-section-id="14wn4q7" data-start="2718" data-end="2751">Compare Microtube Box Variants</h2>
&nbsp;
Snap-cap 0.5 mL microtubes are commonly used for qPCR preparation, small-volume reactions, and concentrated sample handling.
Snap-cap 1.5 mL microtubes are ideal for general molecular biology workflows, including enzyme reactions, nucleic acid purification, and routine sample storage.
Snap-cap 2.0 mL microtubes provide additional capacity for bead-beating protocols, larger pellets, and higher-volume sample preparation.
Screw-cap microtubes in 1.5&ndash;2.0 mL sizes are recommended for volatile materials, valuable samples, cryogenic storage, and applications requiring enhanced sealing performance.
&nbsp;
<h2 data-section-id="1ezckh3" data-start="3355" data-end="3385">Specifications and Features</h2>
&nbsp;
Globe Scientific microtubes are manufactured from USP Class VI virgin polypropylene resin and are free from plasticizers, slip agents, and processing additives. These tubes are certified RNase-free, DNase-free, and pyrogen-free to support demanding molecular biology workflows. The dispenser-box format presents tubes in an organized vertical arrangement, allowing convenient one-handed access while maintaining a cleaner work area.
MBP stocks dispenser-box microtubes as part of the Globe Scientific product line. Availability may vary by size and packaging configuration, and bulk purchasing options are available for laboratories with high-volume requirements.
Protect your research with durable, high-performance storage solutions.&nbsp;<a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Reach out to the Molecular Biology Products Inc. team</a> for a quote and optimize your laboratory efficiency.

Microtubes Box

Micro Tube Boxes Specifications

Microcentrifuge Tube Boxes

613001 by NEST Scientific is a 100-position microcentrifuge tube storage box for 0.6 mL tubes, arranged in a 10×10 grid. The turquoise PP base and clear polycarbonate cover are rated from −80°C to 121°C. The transparent lid allows visual tube identification without opening the box. Pack size: 5 boxes/pk; 40 boxes/case.

Microtube Box, 0.6ml, 10*10, 5/Pack, 40/Case

Microtube Box, 1.5ml/2ml, 8*8, 5/Pack, 40/Case

Cluster Tubes

<h2 dir="ltr">What are Cluster Tubes?</h2>
 Cluster tubes are 1.2 mL polypropylene tubes arranged in either a 96-well individual format (96 tubes in a standard 96-well microplate-footprint rack) or an 8-strip format (8 tubes connected in a strip sized to fit one column of a 96-well block), used for multi-sample storage, screening, dilution series preparation, compound dispensing, and PCR-adjacent molecular biology workflows. Unlike 0.2 mL PCR strip tubes optimized for thin-wall thermal cycling, cluster tubes have a 1.2 mL per-tube volume, making them suited for master mix preparation, sample banking, cherry-picking for automation, and high-throughput assay staging where larger volumes per well are required. Polyethylene 8-cap strips close the tubes securely. Choose individual-format 96-well cluster tubes for sample banking and automated cherry-picking workflows; choose 8-strip cluster tubes for manual multi-sample preparation steps that mirror the 96-well column format.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Individual cluster tubes for flexible handling
</li>
<li dir="ltr" aria-level="1">
Racked cluster tube systems for organized storage
</li>
<li dir="ltr" aria-level="1">
Polypropylene cluster tubes for chemical resistance and durability
</li>
<li dir="ltr" aria-level="1">
Low-volume cluster tubes for micro-sample applications
</li>
<li dir="ltr" aria-level="1">
Tube and cap combinations for secure sealing
</li>
<li dir="ltr" aria-level="1">
Automation-compatible cluster tube formats for robotic systems
</li>
<li dir="ltr" aria-level="1">
Sterile and non-sterile cluster tube options
</li>
</ul>
<h2 dir="ltr">&nbsp;</h2>
<h2 dir="ltr">How to Choose Cluster Tubes</h2>
 Individual Tube vs. 8-Strip Format Individual 96-well cluster tube formats place 96 separate 1.2 mL PP tubes in a standard 96-well SBS-footprint rack with lid. Each tube can be individually removed, labeled, and stored &mdash; ideal for sample banking, cherry-picking, and hit-to-lead compound storage. The 8-strip format presents 8 connected 1.2 mL tubes in a strip that sits in one column of the same 96-well rack; strips cannot be separated into individual tubes for most formats. Sterile vs. Non-Sterile Sterile cluster tubes (gamma or E-beam sterilized, DNase/RNase-free certified) are required for cell-based assays, viral plaque assays, and any workflow where contamination invalidates the result. Non-sterile tubes are adequate for compound storage, buffer preparation, dilution series, and non-biological applications. Confirm whether your downstream assay requires sterile tubes before ordering bulk non-sterile stock. With or Without Rack and Lid Cluster tubes are available as tubes-only (bulk, no rack), with a 96-well polypropylene rack (with lid), or as pre-assembled rack-and-tube sets. For workflows using an automation liquid handler (Tecan, Hamilton, Beckman Coulter Biomek), the pre-racked format with SBS-footprint dimensions (127.76 &times; 85.48 mm) is required for instrument compatibility. Confirm your automation platform's deck footprint specification before ordering tubes-only formats. Cap Strip Compatibility Polyethylene 8-cap strips fit 1.2 mL cluster tubes and cluster tube strips, providing individual tube sealing. Caps must be purchased separately for most non-racked formats. For automated workflows requiring positive tube identification, 2D-barcoded tube options are available from specialty suppliers. Volume Considerations The 1.2 mL per tube is the standard cluster tube volume. The maximum working volume is approximately 1.0 mL. For applications requiring &gt;1 mL per well (deep-well culture, high-volume extraction), deep-well plates (2.0 mL per well, 96-well SBS format) are the appropriate format rather than cluster tubes. 
<h2> Specifications Context</h2>
 96-well cluster tubes are manufactured from polypropylene (PP) in standard 96-well SBS footprint (127.76 &times; 85.48 mm) racks with secure-fit polypropylene lids. Individual tube O.D. is designed to conform to standard 96-well position spacing (9 mm center-to-center), ensuring compatibility with 8-channel and 12-channel multi-channel pipettes. PP is chemically resistant to DMSO (commonly used in compound storage at up to 100%), ethanol, isopropanol, and most aqueous buffers. Cluster tubes are autoclavable at 121 &deg;C for reuse in sterile applications when new sterile tubes are not required. 96-well cluster tube system remains the dominant format for compound storage and sample banking in drug discovery and high-throughput screening (HTS) laboratories. 
&nbsp;
Choose MBP cluster tubes to keep high-volume work structured, simple, and easier to manage without losing control over individual samples. &nbsp;<a href="https://mbpinc.net/contact-us">Contact MBP </a>for bulk PO ordering and institutional pricing.

NEST Sci Cluster Tubes and Caps

NEST 1.1mL Cluster Tubes

The 628111 by NEST Scientific is a 1.1 mL non-sterile polypropylene cluster tube in individual format, manufactured to ANSI-SBS standards for compatibility with multi-channel pipettes and automated liquid workstations. Made from USP Class VI polypropylene with high optical clarity; suitable for low-temperature storage of cells, compounds, sera, and reagents. Packed 960 per pack, 4,800 per case.

1.1ml Cluster Tubes, Individual Tube Format,Non-Sterile, 96/box, 960/pk,4800/cs

1.1ml Cluster Tubes, Individual Tube Format,Sterile, 96/box, 960/pk,4800/cs

1.1ml Cluster Tubes, 8-Tube Strip Format,Non-Sterile, 120/pk,600/cs

1.1ml Cluster Tubes, 8-Tube Strip Format,Non-Sterile, 12/box,120/pk,600/cs

1.1ml Cluster Tubes, 8-Tube Strip Format, Sterile, 12/box,120/pk,600/cs

1.1ml Cluster Tubes, 12-Tube Strip Format,Non-Sterile, 80/pk,400/cs

1.1ml Cluster Tubes, 12-Tube Strip Format,Non-Sterile, 8/box,80/pk,400/cs

1.1ml Cluster Tubes, 12-Tube Strip Format, Sterile, 8/box,80/pk,400/cs

Cluster Tube Box, 8*12, Non-Sterile, 10/pk, 50/cs

Cluster Tube Cap, 8-Cap Strips, Non-Sterile,120/pk,600/cs

Cluster Tube Cap, 8-Cap Strips,Sterile,120/pk,600/cs

Cluster Tube Cap, 12-Cap Strips,Non-Sterile,80/pk,400/cs

Cluster Tube Cap, 12-Cap Strips,Sterile,80/pk,400/cs

Sample Tubes

<h2 dir="ltr">What are Transport Tubes?</h2>
 Transport tubes are sterile, leak-proof screw-cap tubes used for collecting, transporting, and temporarily storing biological specimens from the collection site to the testing laboratory. They span a broad category: empty specimen containers (15 mL and 50 mL self-standing conical tubes), pre-filled saline transport tubes, UTM (Universal Transport Medium) tubes, and specialty specimen vials. All transport tubes share three required attributes&mdash;leak-proof construction, sterility confirmation, and compatibility with the downstream assay's matrix requirements. Choose the transport tube type based on the specimen, the target analyte, and the assay platform it will be processed on. 
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">5 mL transport tubes for routine sample movement</li>
<li dir="ltr" role="presentation">10 mL tubes for higher volume biological samples</li>
<li dir="ltr" role="presentation">Leak-tight screw-cap tubes for secure handling</li>
<li dir="ltr" role="presentation">Sterile transport tubes for clinical workflows</li>
<li dir="ltr" role="presentation">Graduated tubes with labeling surfaces for tracking</li>
<li dir="ltr" role="presentation">Self-standing tubes for easier bench organization</li>
</ul>
&nbsp;
<h2 dir="ltr">How to Choose Transport Tubes</h2>
 Material: Polypropylene (PP) vs. Polystyrene (PS) PP conical transport tubes are chemical-resistant, autoclavable, and certified DNase/RNase-free in molecular-grade formats. PS transport tubes (30 mL translucent format, Globe Scientific) are lighter and less expensive but not autoclavable. For nucleic acid work, DNA/RNA-free certified PP is the standard. For specimen transport requiring centrifugation, PP is preferred due to higher g-force tolerance (PP rated to &ge;10,000 &times; g in most formats). Self-Standing vs. Rack Format Self-standing (skirted-base) conical tubes stand upright without a rack, reducing knock-over risk during aliquoting and transport. Rack-based tubes require a separate holder. Globe Scientific self-standing 50 mL PP transport tubes feature a printed graduation, white frosted writing area, and are available sterile, non-sterile, or metal-free. Sterile tubes are RNase/DNase-free and pyrogen-free per the lot certificate. Sterile vs. Non-Sterile Sterile tubes (ISO 11137 radiation sterilization, SAL 10⁻⁶) are required for culture, NAAT, and any specimen where contamination would invalidate the result. Non-sterile metal-free PP tubes are suited to trace-element analysis and environmental sampling where sterility is not required but metal contamination would interfere. Volume 15 mL tubes are standard for most clinical specimen aliquots, urine transfers, and culture setups. 50 mL tubes are used for higher-volume specimens (24-hour urine aliquots, stool homogenates, bulk transport of tissue homogenates). Globe Scientific 30 mL tubes with integral spoon are designed specifically for fecal specimen self-collection. Media and Additives Empty transport tubes (no fill) are the base format; select a pre-filled tube (saline, UTM, boric acid) based on the specimen type and analyte stability requirements. For nucleic acid targets, pre-filled tubes with DNA/RNA Shield, UTM, or saline are the appropriate formats. 
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific self-standing 50 mL conical transport tubes are manufactured from USP Class VI medical-grade PP with a conical bottom skirt for freestanding stability. Printed graduation marks (1 mL intervals) and a frosted writing area are standard features. Sterile versions are individually wrapped and certified RNase-free, DNase-free, and pyrogen-free per lot certificate, consistent with ISO 9001:2015 manufacturing standards. Non-sterile metal-free versions are supplied with a separate natural screw cap and are tested for trace metals via ICP-MS before lot release. MBP's transport tubes catalog includes Globe Scientific and NEST Scientific formats in multiple pack sizes (25/bag and bulk packs of 500). 
&nbsp;
If you need help choosing tube size or matching the right transport format to your workflow,<a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;"> the MBP team</a> can help you sort it out without overthinking it.

Transport Tube Products

Flyer

Nest Scientific  PBMC Separation Tube

601852 by NEST Scientific is a PBMC separation tube that uses density gradient centrifugation to isolate lymphocytes and monocytes from whole blood in a simplified single-tube workflow — no reagent layering required. Target cells are collected by simple decanting after centrifugation. Multiple volume formats available.

15mL Peripheral Blood Lymphocyte Separation Tube, 50/pk, 500/cs

15mL Peripheral Blood Lymphocyte Separation Tube, 50/pk, 150/cs

50mL Peripheral Blood Lymphocyte Separation Tube, 25/pk, 100/cs

50mL Peripheral Blood Lymphocyte Separation Tube, 25/pk, 500/cs

Nest Scientific Transport Tubes

Nest Scientific Transport Tubes, Sterile

608201 by NEST Scientific is a 4 mL sterile PP transport tube with HDPE cap, E-beam sterilized (SAL 10⁻⁶), DNase/RNase/pyrogen-free, USP Class VI, and rated from −196°C to 121°C. The 95 kPa negative-pressure seal supports air transport requirements. Used for viral specimen collection, PCR sample storage, and mycoplasma/chlamydia sampling; supplied 50/pk, 1,000/case.

4 mL Sterile Disposable Sampler Tubes with Caps on, Sterile, 50/pk, 1000/cs

4 mL Sterile Disposable Sampler Tubes, Sterile Caps separated, 200 tubes/bag, 200 caps/bag, 1000 tubes+1000 caps/cs

5 mL Sterile Disposable Sampler Tubes with Caps on, Sterile, 50/pk, 1000/cs

5 mL Sterile Disposable Sampler Tubes, Sterile Caps separated, 200 tubes/bag, 200 caps/bag, 1000 tubes+1000 caps/cs

5 mL Sterile Disposable Sampler Tubes with Double-Threaded Screw Caps on, Sterile, 50/pk, 1000/cs

5 mL Sterile Disposable Sampler Tubes, Sterile Double-Threaded Screw Caps separated, 200 tubes/bag, 200 caps/bag, 1000 tubes+1000 caps/cs

5 mL Sterile Disposable Sampler Tubes with Pink Capture Caps on, Sterile, 50/pk, 1000/cs

3 mL Sterile Disposable Sampler Tubes with Caps on, Sterile, 50/pk, 1000/cs

3 mL Sterile Disposable Sampler Tubes, Sterile Caps separated, 200 tubes/bag, 200 caps/bag, 1000 tubes+1000 caps/cs

10 mL Sterile Disposable Sampler Tubes with Caps on, Sterile, 50/pk, 1000/cs

10 mL Sterile Disposable Sampler Tubes, Sterile Caps separated, 200 tubes/bag, 200 caps/bag, 1000 tubes+1000 caps/cs

10 mL Sterile Disposable Sampler Shorter Tubes with Caps on, Sterile, 50/pk, 1000/cs

10 mL Sterile Disposable Sampler Shorter Tubes, Sterile Caps separated, 200 tubes/bag, 200 caps/bag, 1000 tubes+1000 caps/cs

United States

Texas

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