Nalgene* Oak Ridge Polypropylene Copolymer Centrifuge Tubes

Polypropylene copolymer provides greater chemical resistance than polycarbonate and can be autoclaved repeatedly. Contact-clear round bottom tubes allow easy view of contents. Can be used up to 50,000 x g in refrigerated and non-refrigerated centrifuges. Must be filled to 80% of the total capacity. Tubes with sealing caps include polypropylene closure with retained silicone gasket. Polypropylene screw caps are also available.