SCREW CAP MICROCENTRIFUGE TUBES
These screw cap polypropylene microcentrifuge tubes feature polypropylene screw caps that contain an o-ring made of nitrile rubber to provide a positive seal at high centrifuge RPM’s. We supply all these tubes sterile in both conical and self standing. They all withstand an RCF of 18,000 X g. Additional screw caps with o-rings are available (SCI Cat.# BB111671C).
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These 1.5 ml polypropylene tubes are leak tested to 20,000 RCF for 20 minutes at 20C with an aqueous solution. The attached lid provides a leak proof seal. The lids can be easily pierced and have a frosted marking area and have graduation marking.
ECONOMY GRADE MICROCENTRIFUGE TUBES
These 1.5 ml polypropylene snap cap microcentrifuge tubes are bulk packed 1,000 per case.