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. We supply all these tubes sterile in both conical and self standing. They all withstand a RCF of 18,000 x g. Additional screw caps with o-rings are available (SCI Cat.# BB111671C).
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.