Consumables

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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<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

15mL Acrylic Centrifuge Tubes

Globe Scientific 6267 — 15mL clear acrylic (PMMA) conical centrifuge tube with separate red PP screw cap, printed graduations, non-sterile, 500 per case.

Manufacture

Centrifuge Tube, 15mL, Separate Red Screw Cap, Acrylic, Printed Graduations, CS/500

Centrifuge Tube, 15mL, Attached Red Screw Cap, Acrylic, Printed Graduations, STERILE, 50/Rack, 10 Racks/Unit, CS/500

Thermal Labels

<h2 dir="ltr">What Are Laboratory Thermal Labels?</h2>
 Laboratory thermal labels are adhesive labels designed for printing by direct-thermal or thermal-transfer desktop label printers &mdash; the two print technologies used for barcode and specimen ID generation in research, clinical, and diagnostic labs. Direct-thermal labels activate a heat-sensitive coating to produce an image without ink or ribbon; thermal-transfer labels use a resin or wax ribbon to fuse ink into the label surface. Thermal labels cover a wide range of container types: cryo vials, microcentrifuge tubes, PCR strips, 15/50 mL conicals, microscope slides, and specimen collection bags. Choose thermal-transfer labels for any sample requiring chemical resistance, temperatures above +50 &deg;C, or long-term barcode legibility; choose direct-thermal for low-cost, short-to-medium-term applications.
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<h2 dir="ltr">What you will find:</h2>
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Direct thermal labels for quick, ink-free sample identification.
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Thermal transfer rolls for high-durability, permanent barcode printing.
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Solvent-resistant labels that withstand alcohol and cleaning agents.
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Freezer-grade thermal stickers for stable low-temperature archiving.
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Perforated label rolls for easy tearing and rapid application.
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Various sizes tailored for microtube caps and side-wall labeling.
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<h2 dir="ltr"> How to Choose Laboratory Thermal Labels</h2>
 Print Technology Compatibility Confirm whether the printer is direct-thermal (no ribbon required, e.g., Zebra GK420d, DYMO LabelWriter) or thermal-transfer (ribbon required, e.g., Zebra ZT230, Datamax M-Class). The two label types are not interchangeable &mdash; a thermal-transfer label will not print correctly in a direct-thermal printer and vice versa. Temperature and Chemical Exposure Direct-thermal label coatings degrade above approximately 50&ndash;60 &deg;C and with prolonged UV exposure, limiting their use to room-temperature and short-term cold storage applications. Thermal-transfer labels with a resin ribbon produce output resistant to temperatures up to +100 &deg;C, ethanol, xylene, and sanitizing wipes &mdash; required for autoclave tracking, histology, and GLP-regulated sample management. Container and Size Match Label dimensions must match the printable area of the label and the geometry of the container. Common lab thermal label widths are 0.5&ndash;2 inches; lengths are 0.25&ndash;3 inches. Verify dimensions against the container's flat-printable surface, accounting for any wrap-around on curved vials. Roll Core and Printer Compatibility Standard roll cores are 1-inch inner diameter for compact desktop printers; 3-inch cores fit high-volume industrial label printers. Confirm the printer's maximum roll diameter and label width capability before selecting roll format. Material: Paper vs. Polyester Paper-based thermal labels cost less and are suitable for ambient-temperature, short-duration applications (reagent dating, sample intake). Polyester thermal labels are moisture-resistant, more tear-resistant, and rated for demanding environments including freezers and chemical splash &mdash; specified for long-term specimen tracking and any application where label durability is a safety or compliance requirement. 
<h2 dir="ltr"> Specifications Context</h2>
 Direct-thermal label paper weight is typically 58&ndash;80 g/m&sup2;; polyester variants are 50&ndash;100 &micro;m thick. Standard roll dimensions are 2.25 inches &times; 1.25 inches (common for specimen tubes) and 4 inches &times; 6 inches (common for shipping and larger specimen bags). Print resolution for lab barcode labels should be 300 dpi for 1D/2D barcodes on labels smaller than 1 inch &times; 0.5 inch &mdash; 203 dpi produces legible output on larger-format labels.&nbsp;
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Stop struggling with faded barcodes. <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Ask the MBP Team</a> for a quote right now, we help you make your data permanent.

Direct Thermal Label Rolls for Cryogenic Vials

Direct Thermal Cryogenic Label Rolls (LTC-27X13) &ndash; 27 &times; 13 mm, 1,000 labels per roll. Special cold-temperature adhesive rated to &minus;196 &deg;C (&minus;311 &deg;F). Direct thermal printing, no ink or ribbon needed. Smudge-resistant, writeable surface. Available in Blue, Green, Orange, Red, and White. Made in the USA. Printing instructions and template included.

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, Blue, ROLL/1000

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, Orange, ROLL/1000

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, Blue, ROLL/750

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, Orange, ROLL/750

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, Green, ROLL/1000

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, Red, ROLL/1000

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, White, ROLL/1000

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, Yellow, ROLL/1000

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, Green, ROLL/750

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, Red, ROLL/750

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, White, ROLL/750

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, Yellow, ROLL/750

Inoculating Needles/Loops

<h2>What are Blood Collection Tubes for Nucleic Acid Research?</h2>
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Blood collection tubes for nucleic acid research are evacuated tubes pre-filled with a lysis reagent or anticoagulant that preserve DNA and/or RNA from whole blood specimens collected by standard venipuncture. On blood draw, the lysis reagent immediately inactivates nucleases and preserves both genomic DNA and RNA&mdash;including transcriptomic expression profiles&mdash;from 3&ndash;6 mL of mammalian whole blood. They are used in gene expression analysis, next-generation sequencing, PCR-based molecular diagnostics, cell-free DNA (cfDNA) studies, and biobank archiving. Choose blood collection tubes specifically formulated for nucleic acid preservation when the sample cannot be processed within 2&ndash;4 hours of draw.
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<h2>What you will find:</h2>
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<li>Vacuum blood collection tubes for standardized sample volumes</li>
<li>Capillary blood collection tubes for small-volume sampling</li>
<li>Pediatric and micro-collection tubes for difficult draws</li>
<li>Sterile single-use blood collection tubes for diagnostic safety</li>
<li>General-purpose clinical and laboratory blood sampling tubes</li>
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<h2>How to Choose Blood Collection Tubes</h2>
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DNA vs RNA vs Dual Preservation
K2 EDTA tubes (lavender cap) prevent clotting and preserve cellular morphology for CBC and flow cytometry, but RNA degrades rapidly without additional stabilization. Blood RNA stabilization tubes preserve intracellular RNA expression profiles, while dual-preservation blood collection tubes stabilize both DNA and RNA simultaneously, enabling downstream molecular analysis from a single specimen.
Blood Volume Per Tube
Standard blood collection tubes typically hold 3 mL or 6 mL. Confirm the draw volume against your extraction kit's minimum input requirement. Many NGS and RT-PCR extraction kits require 1&ndash;3 mL of whole blood per reaction, making 3 mL tubes sufficient for many single downstream applications.
Processing Window
For immediate processing (within 2 hours), standard K2 EDTA tubes are generally suitable. For delayed processing or sample shipment, choose blood collection tubes specifically formulated to stabilize nucleic acids according to the manufacturer's validated storage conditions.
Anticoagulant Type
K2 EDTA is the preferred anticoagulant for most molecular biology applications, including PCR and NGS. K3 EDTA may be used in some automated laboratory systems. Heparin is a known PCR inhibitor and should generally be avoided for nucleic acid workflows. Citrate tubes are not typically used for nucleic acid preservation.
Regulatory Compliance
For clinical or regulatory-submission workflows, confirm whether the blood collection tube has the appropriate regulatory approval or clearance for your intended application. Research-use-only (RUO) products are not intended for diagnostic use unless specifically authorized.
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<h2>Specifications Context</h2>
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Standard evacuated blood collection tubes are commonly manufactured from medical-grade PET or glass. K2 EDTA tubes should be gently inverted 8&ndash;10 times immediately after collection to ensure complete anticoagulant mixing. Nucleic acid preservation tubes are available for both immediate processing and stabilized transport, depending on the manufacturer. DNA and RNA yield varies with donor characteristics, collection volume, storage conditions, and the extraction method used.
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Every accurate diagnosis starts with the right sample. Reach out to the <a href="https://mbpinc.net/contact-us">MBP team</a> today for expert guidance. MBP is a registered vendor for Howard Hughes Medical Institute, Vanderbilt University, and MD Anderson Cancer Center. PO and quote ordering are available directly.

Blood Collection Tubes

Safety Needle Holder

1204 by Globe Scientific is a single-use safety needle holder with a sliding plastic shield and audible-click confirmation, compliant with OSHA bloodborne pathogen directives for phlebotomy. Fits 13mm and 16mm evacuated blood collection tubes and all common multi-sample needle units. Available 500/case or 100/bag.