Microcentrifuge tubes are small, usually polypropylene tubes for spinning and storing samples in molecular biology, biochemistry and clinical work. This category covers sizes from 250 µL and 0.5 mL through 0.6, 1.5 and 2.0 mL to 5 mL macro tubes, with attached snap caps, flat tops, lock-top caps and screw caps with O-rings. Options include sterile or non-sterile, graduated or plain, natural, amber, black and colored tubes, self-standing and conical bottoms, low retention tubes and lots certified for the absence of RNase, DNase and pyrogens. Racks and tube-and-pestle sets are listed too.

Choose the volume first, then check that the tube fits your centrifuge rotor or the adapters you have. Pick a screw cap with an O-ring for heating, freezing or shipping, where a snap cap could open, and a snap cap for quick bench work. Use sterile tubes certified for the absence of nucleases for RNA and DNA work, amber or black tubes for light-sensitive samples, and low retention tubes when small volumes must not be lost on the tube wall. Check the maximum g-force rating against your protocol.

Microcentrifuge: common questions

Will 1.5 mL tubes fit any microcentrifuge?

Standard 1.5 mL and 2.0 mL tubes fit the rotors of most microcentrifuges. Smaller 0.5 mL and 0.2 mL tubes usually need adapters or a rotor with matching holes, and 5 mL tubes need a rotor made for them. Screw-cap and self-standing tubes can have a different outer shape, so check the tube dimensions against your rotor before ordering a large quantity.

Should I use snap-cap or screw-cap microtubes?

Snap caps are quick to open and close and suit routine pipetting and short spins. Screw caps with an O-ring seal more securely, so they are a better choice for heating or boiling samples, freezing and thawing, long-term storage and shipping, where pressure or temperature changes could open a snap cap. Screw-cap tubes generally cost more per tube.

What are low retention microcentrifuge tubes?

Low retention tubes have an inner surface made or treated so that less liquid, protein or nucleic acid sticks to the tube wall. They help when you work with small volumes, dilute samples or costly reagents, because more of the sample can be recovered. For ordinary buffers and larger volumes, standard tubes are usually adequate.

Microcentrifuge

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  1. 1.5mL Microcentrifuge Tube
    SKU: 4152-CS
    Manufacturer: Bio Plas
    Snap-Cap Microcentrifuge Tube Volume: 1.5mL. Tough virgin polypropylene construction withstands rugged G-forces of high speed centrifugation. Snap-Cap attached to each tube. Entire unit autoclavable at 121[degree]C at 15psi for 15 minutes. Color: yellow. (10000 per CS)
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    was $379.50 Special Price $332.06
  2. 1.8mL Microcentrifuge Tube, Blue, CS10000
    SKU: 4158-CS
    Manufacturer: Bio Plas
    MCT POLYPRO BLU 1.8ML 1000/PKBio Plas 1.8mL microcentrifuge tube blue. (10000 per CS)
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    was $379.50 Special Price $332.06
  3. 1.8mL Microcentrifuge Tube, Green, CS10000
    SKU: 4159-CS
    Manufacturer: Bio Plas
    MCT POLYPRO GREE1.8ML 1000/PKBio Plas 1.8mL microcentrifuge tube green. (10000 per CS)
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    was $379.50 Special Price $332.06
  4. Siliconized 2.0mL G-Tube, Flat Top Microcentrifuge Tube - Sterile - Individually Wrapped, Natural, CS5000
    Manufacturer: Bio Plas
    Siliconized 2.0mL G-Tube, Flat Top Microcentrifuge Tube - Sterile - Individually Wrapped, Natural, CS5000 (5000 per CS)
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    was $2,027.00 Special Price $1,773.63
  5. Screw Cap with inOin-Ring for Bio Plas Screw Cap Microcentriufge Tubes
    Manufacturer: Bio Plas
    Bio Plas Screw-Cap Microcentrifuge Tubes are ideal forany sample-processing or storage application and for working with valuable or hazardous cells and materials. Transparent polymer lets you see your sample clearly. The strength, safety, and reliability, of the Bio Plas Screw-Cap Microcentrifuge Tubes let you perform procedures that simply can’t be done with many other tubes. Spin them, store them, transport them (even by air). Boil, irradiate them. They’ll stand up to the test! Screw Cap Microcentrifuge Tube Features: Sample Integrity: EPDM O-Rings create a positive seal to prevent leaking during processing, storage, or transport. Tubes made of inert virgin, high-clarity, ultra-pure, polypropylene to minimize risk of altering samples. Will withstand maximum G-forces up to 20000 x g. Sturdy and Reusable: Ideal for freezer storage, boiling,utoclaving and irradiation. Will withstand temperature ranges of -196°C to +121°C. Free of detectable DNase, RNase, DNA, PCR inhibitors, and endotoxins. Note: not suitable for immersion in liquid nitrogen. Ideal for boiling application Inside the Screw Cap the O-Ring forms a secure and leak-proof seal. The Bio Plas Screw-Cap Microcentrifuge Tube’s square threads won’t strip and they are on the outside of the tube, so you minimize the risk of contaminating your sample or letting it contaminate the Lab Tech (5000 per CS)
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    was $971.83 Special Price $850.35
  6. 1.5mL Flat Top Microcentrifuge Tube, Amber, CS10000
    SKU: 4305-CS
    Manufacturer: Bio Plas
    Flat Top Microcentrifuge Tube 1.5mL. Flat top lid forms extra-tight seal easy-to-open with thumb pressure. Withstands 22000xg forces. Textured writing surface on top of caps and sides. Non-wettable walls. Graduated from 0.1 to 1.5mL. Amber color. (10000 per CS)
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    was $443.67 Special Price $388.21
  7. 0.6mL Flat Top Microcentrifuge Tube
    SKU: 4315-CS
    Manufacturer: Bio Plas
    Flat Top Microcentrifuge Tube 0.5mL. Flat top lid forms extra-tight seal easy-to-open with thumb pressure. Withstands 22000xg forces. Textured writing surface on top of caps and sides. Non-wettable walls. Natural color. (10000 per CS)
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    was $443.67 Special Price $388.21
  8. 0.6mL G-Tube, Flat Top Microcentrifuge Tube, Natural, PK500
    SKU: 4040-PK
    Manufacturer: Bio Plas
    The G-Tube™ Flat Top Microcentrifuge Tube is virtuallytransparent and far exceeds the toughness of any microcentrifuge tubes. When the G-Tube™ Flat Top Microcentrifuge Tube cap is closed there will be an audible "snap" that indicates a secure closure has been formed.Made of tough, clear, proprietary formulated polypropylene, the0.6mL, 1.5mL and 2.0mLG-Tube™ has the same chemicalresistant quality as standardtubes, but they're sturdier andvirtually transparent to give abetter view. The flat top cap iseasy to open and still provides amaximum secure seal. All three volumes are available in siliconized material. Siliconized G-Tubes™ are not recommended for autoclaving. The G-Tube™ is built for highimpact usage and willwithstand over 30,000 x g whenspun. Thicker walls make thisthe tube of choice for extreme stress, high spinning speeds, autoclaving, boiling, chemical resistance and freezing. Willwithstand temperature rangesof -80°C (-112°F) to 121 °C(250°F) (500 per PK)
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    was $23.28 Special Price $20.37
  9. 0.6mL G-Tube, Flat Top Microcentrifuge Tube
    SKU: 4041-PK
    Manufacturer: Bio Plas
    G-Tube Premium Flat Top Microcentrifuge Tube 0.6mL. Flat top lid forms extra-tight seal easy-to-open with thumb pressure. Withstands 30000xg forces. Textured writing surface on top of caps. Non-wettable walls. Red color. (500 per PK)
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    was $23.28 Special Price $20.37
  10. 2.0mL G-Tube, Flat Top Microcentrifuge Tube
    SKU: 4056-PK
    Manufacturer: Bio Plas
    G-Tube Premium Flat Top Microcentrifuge Tube 2.0mL. Flat top lid forms extra-tight seal easy-to-open with thumb pressure. Withstands 30000xg forces. Textured writing surface on top of caps and sides. Non-wettable walls. Graduated from 0.1 to 2.0mL. Orange color. (500 per PK)
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    was $24.98 Special Price $21.86
  11. 1.8mL Microcentrifuge Tube, Red, PK1000
    SKU: 4156-PK
    Manufacturer: Bio Plas
    MCT POLYPRO RED 1.8ML 1000/PKBio Plas 1.8mL microcentrifuge tube red. (1000 per PK)
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    was $37.95 Special Price $33.21
  12. 0.6mL Flat Top Microcentrifuge Tube
    SKU: 4322-PK
    Manufacturer: Bio Plas
    Microcentrifuge Tubes Size: 0.5mL. Color: lavender. With textured writing surface and needle access. Walls are non-wettable preventing liquids from adhering to the sides. (500 per PK)
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    was $22.18 Special Price $19.41
  13. 40 Place Keyed Rack, Anodized Aluminum
    SKU: 4214-EA
    Manufacturer: Bio Plas
    Bio Plas Screw-Cap Microcentrifuge Tubes are ideal forany sample-processing or storage application and for working with valuable or hazardous cells and materials. Transparent polymer lets you see your sample clearly. The strength, safety, and reliability, of the Bio Plas Screw-Cap Microcentrifuge Tubes let you perform procedures that simply can’t be done with many other tubes. Spin them, store them, transport them (even by air). Boil, irradiate them. They’ll stand up to the test! Screw Cap Microcentrifuge Tube Features: Sample Integrity: EPDM O-Rings create a positive seal to prevent leaking during processing, storage, or transport. Tubes made of inert virgin, high-clarity, ultra-pure, polypropylene to minimize risk of altering samples. Will withstand maximum G-forces up to 20000 x g. Sturdy and Reusable: Ideal for freezer storage, boiling,utoclaving and irradiation. Will withstand temperature ranges of -196°C to +121°C. Free of detectable DNase, RNase, DNA, PCR inhibitors, and endotoxins. Note: not suitable for immersion in liquid nitrogen. Ideal for boiling application Inside the Screw Cap the O-Ring forms a secure and leak-proof seal. The Bio Plas Screw-Cap Microcentrifuge Tube’s square threads won’t strip and they are on the outside of the tube, so you minimize the risk of contaminating your sample or letting it contaminate the Lab Tech (1 per EA)
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    was $126.70 Special Price $110.86
  14. Siliconized 1.5mL Flat Top Micro Centrifuge Tube - Sterile, Individually Wrapped
    Manufacturer: Bio Plas
    Siliconized 1.5mL Flat Top Micro Centrifuge Tube - Sterile, Individually Wrapped (250 per PK)
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    was $96.78 Special Price $84.68
  15. 1.5mL G-Tube, Flat Top Microcentrifuge Tube, Natural, CS10000
    SKU: 4030-CS
    Manufacturer: Bio Plas
    G-Tube Premium Flat Top Microcentrifuge Tube 1.5mL. Flat top lid forms extra-tight seal easy-to-open with thumb pressure. Withstands 30000xg forces. Textured writing surface on top of caps and sides. Non-wettable walls. Graduated from 0.1 to 1.5mL. Natural color. (10000 per CS)
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    was $465.67 Special Price $407.46
  16. 1.5mL G-Tube, Flat Top Microcentrifuge Tube, Red, CS10000
    SKU: 4031-CS
    Manufacturer: Bio Plas
    The G-Tube™ Flat Top Microcentrifuge Tube is virtuallytransparent and far exceeds the toughness of any microcentrifuge tubes. When the G-Tube™ Flat Top Microcentrifuge Tube cap is closed there will be an audible "snap" that indicates a secure closure has been formed.Made of tough, clear, proprietary formulated polypropylene, the0.6mL, 1.5mL and 2.0mLG-Tube™ has the same chemicalresistant quality as standardtubes, but they're sturdier andvirtually transparent to give abetter view. The flat top cap iseasy to open and still provides amaximum secure seal. All three volumes are available in siliconized material. Siliconized G-Tubes™ are not recommended for autoclaving. The G-Tube™ is built for highimpact usage and willwithstand over 30,000 x g whenspun. Thicker walls make thisthe tube of choice for extreme stress, high spinning speeds, autoclaving, boiling, chemical resistance and freezing. Willwithstand temperature rangesof -80°C (-112°F) to 121 °C(250°F) (10000 per CS)
    Learn More
    was $465.67 Special Price $407.46
  17. 1.5mL G-Tube, Flat Top Microcentrifuge Tube
    SKU: 4033-CS
    Manufacturer: Bio Plas
    The G-Tube™ Flat Top Microcentrifuge Tube is virtuallytransparent and far exceeds the toughness of any microcentrifuge tubes. When the G-Tube™ Flat Top Microcentrifuge Tube cap is closed there will be an audible "snap" that indicates a secure closure has been formed.Made of tough, clear, proprietary formulated polypropylene, the0.6mL, 1.5mL and 2.0mLG-Tube™ has the same chemicalresistant quality as standardtubes, but they're sturdier andvirtually transparent to give abetter view. The flat top cap iseasy to open and still provides amaximum secure seal. All three volumes are available in siliconized material. Siliconized G-Tubes™ are not recommended for autoclaving. The G-Tube™ is built for highimpact usage and willwithstand over 30,000 x g whenspun. Thicker walls make thisthe tube of choice for extreme stress, high spinning speeds, autoclaving, boiling, chemical resistance and freezing. Willwithstand temperature rangesof -80°C (-112°F) to 121 °C(250°F) (10000 per CS)
    Learn More
    was $465.67 Special Price $407.46
  18. 2.0mL G-Tube, Flat Top Microcentrifuge Tube, Yellow, CS10000
    SKU: 4052-CS
    Manufacturer: Bio Plas
    G-Tube Premium Flat Top Microcentrifuge Tube 2.0mL. Flat top lid forms extra-tight seal easy-to-open with thumb pressure. Withstands 30000xg forces. Textured writing surface on top of caps and sides. Non-wettable walls. Graduated from 0.1 to 2.0mL. Yellow color. (10000 per CS)
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    was $499.67 Special Price $437.21
  19. Conical 1.5mL, Screw Cap Microcentrifuge Tube, Natural, CS10000
    SKU: 4202-CS
    Manufacturer: Bio Plas
    Bio Plas Screw-Cap Microcentrifuge Tubes are ideal forany sample-processing or storage application and for working with valuable or hazardous cells and materials. Transparent polymer lets you see your sample clearly. The strength, safety, and reliability, of the Bio Plas Screw-Cap Microcentrifuge Tubes let you perform procedures that simply can’t be done with many other tubes. Spin them, store them, transport them (even by air). Boil, irradiate them. They’ll stand up to the test! Screw Cap Microcentrifuge Tube Features: Sample Integrity: EPDM O-Rings create a positive seal to prevent leaking during processing, storage, or transport. Tubes made of inert virgin, high-clarity, ultra-pure, polypropylene to minimize risk of altering samples. Will withstand maximum G-forces up to 20000 x g. Sturdy and Reusable: Ideal for freezer storage, boiling,utoclaving and irradiation. Will withstand temperature ranges of -196°C to +121°C. Free of detectable DNase, RNase, DNA, PCR inhibitors, and endotoxins. Note: not suitable for immersion in liquid nitrogen. Ideal for boiling application Inside the Screw Cap the O-Ring forms a secure and leak-proof seal. The Bio Plas Screw-Cap Microcentrifuge Tube’s square threads won’t strip and they are on the outside of the tube, so you minimize the risk of contaminating your sample or letting it contaminate the Lab Tech (5000 per CS)
    Learn More
    was $651.00 Special Price $569.63
  20. Conical 2.0mL, with skirt Screw Cap Microcentrifuge Tube, Natural, CS10000
    SKU: 4204-CS
    Manufacturer: Bio Plas
    Bio Plas Screw-Cap Microcentrifuge Tubes are ideal forany sample-processing or storage application and for working with valuable or hazardous cells and materials. Transparent polymer lets you see your sample clearly. The strength, safety, and reliability, of the Bio Plas Screw-Cap Microcentrifuge Tubes let you perform procedures that simply can’t be done with many other tubes. Spin them, store them, transport them (even by air). Boil, irradiate them. They’ll stand up to the test! Screw Cap Microcentrifuge Tube Features: Sample Integrity: EPDM O-Rings create a positive seal to prevent leaking during processing, storage, or transport. Tubes made of inert virgin, high-clarity, ultra-pure, polypropylene to minimize risk of altering samples. Will withstand maximum G-forces up to 20000 x g. Sturdy and Reusable: Ideal for freezer storage, boiling,utoclaving and irradiation. Will withstand temperature ranges of -196°C to +121°C. Free of detectable DNase, RNase, DNA, PCR inhibitors, and endotoxins. Note: not suitable for immersion in liquid nitrogen. Ideal for boiling application Inside the Screw Cap the O-Ring forms a secure and leak-proof seal. The Bio Plas Screw-Cap Microcentrifuge Tube’s square threads won’t strip and they are on the outside of the tube, so you minimize the risk of contaminating your sample or letting it contaminate the Lab Tech (5000 per CS)
    Learn More
    was $598.17 Special Price $523.39
  21. 0.5mL Flat Top Microcentrifuge Tube, Red, CS10000
    SKU: 4316-CS
    Manufacturer: Bio Plas
    MICROCENT.TUBES 0.5ML REDPK500Bio Plas flat top microcentrifuge tube 0.5 ml red.
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    was $443.67 Special Price $388.21
  22. 1.5mL G-Tube, Flat Top Microcentrifuge Tube
    SKU: 4030-PK
    Manufacturer: Bio Plas
    G-Tube Premium Flat Top Microcentrifuge Tube 1.5mL. Flat top lid forms extra-tight seal easy-to-open with thumb pressure. Withstands 30000xg forces. Textured writing surface on top of caps and sides. Non-wettable walls. Graduated from 0.1 to 1.5mL. Natural color. (500 per PK)
    Learn More
    was $23.28 Special Price $20.37
  23. 1.5mL G-Tube, Flat Top Microcentrifuge Tube
    SKU: 4031-PK
    Manufacturer: Bio Plas
    The G-Tube™ Flat Top Microcentrifuge Tube is virtuallytransparent and far exceeds the toughness of any microcentrifuge tubes. When the G-Tube™ Flat Top Microcentrifuge Tube cap is closed there will be an audible "snap" that indicates a secure closure has been formed.Made of tough, clear, proprietary formulated polypropylene, the0.6mL, 1.5mL and 2.0mLG-Tube™ has the same chemicalresistant quality as standardtubes, but they're sturdier andvirtually transparent to give abetter view. The flat top cap iseasy to open and still provides amaximum secure seal. All three volumes are available in siliconized material. Siliconized G-Tubes™ are not recommended for autoclaving. The G-Tube™ is built for highimpact usage and willwithstand over 30,000 x g whenspun. Thicker walls make thisthe tube of choice for extreme stress, high spinning speeds, autoclaving, boiling, chemical resistance and freezing. Willwithstand temperature rangesof -80°C (-112°F) to 121 °C(250°F) (500 per PK)
    Learn More
    was $23.28 Special Price $20.37
  24. 1.5mL G-Tube, Flat Top Microcentrifuge Tube, Blue, PK500
    SKU: 4033-PK
    Manufacturer: Bio Plas
    The G-Tube™ Flat Top Microcentrifuge Tube is virtuallytransparent and far exceeds the toughness of any microcentrifuge tubes. When the G-Tube™ Flat Top Microcentrifuge Tube cap is closed there will be an audible "snap" that indicates a secure closure has been formed.Made of tough, clear, proprietary formulated polypropylene, the0.6mL, 1.5mL and 2.0mLG-Tube™ has the same chemicalresistant quality as standardtubes, but they're sturdier andvirtually transparent to give abetter view. The flat top cap iseasy to open and still provides amaximum secure seal. All three volumes are available in siliconized material. Siliconized G-Tubes™ are not recommended for autoclaving. The G-Tube™ is built for highimpact usage and willwithstand over 30,000 x g whenspun. Thicker walls make thisthe tube of choice for extreme stress, high spinning speeds, autoclaving, boiling, chemical resistance and freezing. Willwithstand temperature rangesof -80°C (-112°F) to 121 °C(250°F) (500 per PK)
    Learn More
    was $23.28 Special Price $20.37
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