50ml high speed 20 000xg centrifuge tube red screw cap printed graduations sterile

An affordable high-speed centrifuge tube for the research lab. Maximum RCF rating of 20,000xg Made from polypropylene. Sold by the case of 500 tubes packed in twenty bags of twenty-five tubes Available in bags or paper-board racks for the environmentally conscious lab. Features and Benefits: Ultra High Performance - High spin rates with maximum RCF ratings of up to 20,000 x g Premium Materials - USP Class VI resin is also FDA CFR 21 compliant for food safety Leak Resistant - Easy Grip Caps have an integral seal ring design for secure closures that eliminate seepage when used as recommended Ease of Use - Exceptionally clear tubes have black printed graduation marks to full volume of 15mL or 50mL, a bright white marking space, and are packaged in heavy duty, zip, re-closable bag Certified - Tubes are manufactured in a class 100,000 clean room, gamma irradiated to SAL 10 -6 , and are certified to be free from DNase, RNase, Human DNA, Pyrogens, and Endotoxins