Meet bioanalytical-grade requirements and provide unsurpassed performance in critical research applications Exceptionally strong—Industry leading centrifugation rating of 16,000 RCF (50 mL polypropylene) Unique double threaded cap design reducing cross threading and leakage …

Eppendorf Safe-Lock Tubes are the result of 50 years of continuous improvement and development. The original Safe-Lock tubes protect your sample with excellent centrifugation stability, feature perfect sealing properties, and reliably prevent sample evaporation. Trust in the original Eppendorf…

Boil-proof cap Withstand 28,000 x g Easy to open, easy to close Double, high pressure locking ring RNase, DNase and pyrogen free Unsurpassed clarity Frosted writing surface and graduations Ultra smooth interior-low liquid retention Made from highest quality, virgin, single…

For applications requiring the assurance of low background metals Made of 100% medical grade ultra low metal virgin resins Certified below one part per billion (<1ppb) for trace metals Natural colorant-free flat caps Labcon’s  Metal Free® centrifuge tubes…

1.5mL Easy-Click Graduated Microcentrifuge tubes feature a small, easy-to-open cap. Graduated every 100µL for easy volume identification Small cap allows tubes to be spaced closely together in racks and storage boxes Frosted Cap and writing panel allows for an extra writing room and…

Polypropylene tubes Without caps.

Polycarbonate open-top tubes have outstanding mechanical strength. Excellent for whole cell separations. For use up to 6,000 x g in refrigerated or non-refrigerated centrifuges. Translucent polypropylene copolymer has excellent chemical resistance. For low-speed centrifugation up to 6,000 x g. Both…

SuperClear® Screw Cap Microcentrifuge Tubes include caps with ethylene propylene O-Rings and are ideal for any sample processing application. Excellent for frozen storage or when working with hazardous or valuable materials. Packed 500 in a bag and 10 bags in a pack. All style of tubes and caps…

Polypropylene tubes include blue HDPE leak-proof screw caps. The tubes and caps feature specially-designed flat threads for vacuum-type closure that is leak-free at a press of >700mm Hg. Highly smooth hydrophobic internal surfaces minimize wall effect. Silk-screen graduations and a frosted…

The Sarstedt screw cap micro tube, with a durable construction, is an ideal accessory to have in any chemical laboratories, research facilities, manufacturing industries and pharmaceutical factories.

Superior sealing with Patented Dual α Ring Seal technology, patent number D869275 Manufactured with ultra pure gasket seal materials in caps and medical grade ultra clear USP class 6 plastics for Tubes Double Start Threads provides greater thread contact area for superior strength…

Posi-Lock™ capless tubes are ideal for customers not needing to seal their samples.  With no cap to interfere, collecting from spin columns is easy and mess-free with no caps to break off during centrifugation. Graduated every 100µL for easy volume identification Ultra-clear…

Translucent polypropylene copolymer provides greater chemical resistance than polycarbonate and can be autoclaved repeatedly. Contact-clear tubes allow easy view of contents. Can be used up to 50,000 x g in refrigerated and non-refrigerated centrifuges. Before autoclaving, just set closure on top…

Axygen Brand 50mL Screw Cap Centrifuge Tubes are designed to meet the needs of your laboratory. Made of durable polypropylene homopolymer, these tubes can withstand forces up to 12,000 RCF. Printed in two colors with a large writing surface. Centrifuge Rated to 12,000 x G Easy one hand…

Eppendorf Safe-Lock Tubes are the result of 50 years of continuous improvement and development. The original Safe-Lock tubes protect your sample with excellent centrifugation stability, feature perfect sealing properties, and reliably prevent sample evaporation. Trust in the original Eppendorf…

Microtube, 0.65mL, YELLOW PK/1000

These polypropylene tubes feature a screw top with easy to read black graduations. These sterile, conical bottom tubes also feature a writing area to allow for easy sample identification. Temperatures between 0-40degrees Celsius are the suggested working range.

Microtube, 0.65mL, BLUE, PK/1000

Withstand up to 50,000 x g in refrigerated or non-refrigerated centrifuges. Before autoclaving, just set closure on top of the tube without engaging the threads. Must be filled to 80% of the total capacity. With polypropylene screw closure.

5mL Screw-cap MacroTube® Vivid™ sterile w/ vivid printed graduation  w/ attached screw caps in foam racks 500/cs

Axygen® screw cap tubes feature a cap that provides a tight secure seal. Self standing screw top microcentrifuge tube with "O" ring cap Made of polypropylene Volume: 1.5mL Cap color: Red Pre-sterilized

Made from high-quality virgin polypropylene, these microcentrifuge tubes are RNase, DNase, and Pyrogen free for safer use in molecular biology and other biochemical applications. Include a connected snap cap, large molded-in graduations, and a frosted surface for easier writing. Autoclavable tubes…

Made of aluminum To facilitate the handling and insertion of caps on the tubes, Simport offers a special solid aluminum loading rack. This rack can hold up to 18 x 0.1 ml tube strips for a total of 72 tubes. Other cavities can hold larger reaction tubes­­­. To keep reactions cool…

Empty 4.5mL tubes can be filled with bulk Lysing Matrix to create Lysing Matrix Tubes. Impact resistant. Caps included.

Standard Taper KIMAX® tube with a screw thread finish Graduated and calibrated to contain Cap supplied has cemented-in white rubber liner and is packaged separately Scale, legend and marking spot are durable white ceramic enamel Replacement cap for 0493K43 & 0492Y27 is 45066B …

Oak Ridge style high speed polypropylene tubes are round bottom and autoclavable Economical and leak-proof for refrigerated or standard centrifugation Uniform wall thickness Polypropylene screw caps 80% of total capacity must be filled for proper performance Maximum RCF is 50,000g …

For amber microtubes C18001-A,C19043-A,C19053-A Protect light sensitive samples These amber tubes are not sterile, but they are autoclavable. Certified to be free of RNase/DNase, PCR inhibitor, Human DNA, and pyrogens

Microtube, 0.65mL, RED/PINK PK/1000

2619H22 Capacity 50 mL Heavy-duty tube useful for handling of sputum specimens and clinical and microbiological tests Includes phenolic screw cap which has glued-in, white rubber liner 29 x 125 mm. For replacement cap, see Thomas number 2388B73. 2620L52 Heavy wall…

Polypropylene Non pyrogenic RNase-free and DNase-free Large, white marking spot Flat topped, bright green colored caps Bulk and styrofoam racked options Sterile and non sterile options Disposable Tube: Polypropylene (PP), Color - Natural Cap: High Density Polyethylene…

If you're tired of inferior tubes, try these... the most consistent, highest quality microtubes on the market! Using high quality polypropylene resin enables us to tightly control tube wall thickness, the consistency of the cap fit, and deliver superior clarity. We QC the tubes to…