Globe Scientific Diamond MAX Self-Standing Polypropylene Sterile 50mL Centrifuge Tube w/Attached Red Flat Top Screw and Printed Graduations,

Diamond® Max™ Centrifuge Tubes are engineered to meet the demands of the most critical scientific work. Premium-grade materials and an automated, touch-free manufacturing process provide both performance and savings to users. 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 Value - Efficient automated production reduces cost and assures high quality Ease of Use - Exceptionally clear tubes have black printed graduation marks to the full volume of 15mL or 50mL, a bright white marking space, and are packaged in heavy-duty, zip, re-closable bags Eco Friendly - Paperboard racks are readily recyclable in the well-established paper recycling stream Certified - Tubes are manufactured in a class 100,000 cleanroom, gamma-irradiated to SAL 10-6, and are certified to be free from DNase, RNase, Human DNA, Pyrogens, and Endotoxins