Globe Scientific Oakridge Style Centrifuge Tubes Pack of 12 30ml Transparent. Molded from durable chemical resistant polypropylene the tubes have round bottoms and consistent wall thicknesses for centrifugation at up to 50000 x G when filled to 80percent of their nominal capacity. Oak Ridge style tubes are autoclavable and re-usable and are designed with leakproof linerless closures. Specifications for Globe Scientific Oakridge Style Centrifuge Tubes 12 Pcs: Manufacturer: Globe Scientific Quantity: 12 Color: Transparent Rotational Speed: 50000 xG Features of Globe Scientific Oakridge Style Centrifuge Tubes 12 Pcs Tubes have round bottoms and consistent wall thickness for high speed refrigerated or non-refrigerated centrifugation Tubes withstand up to 50000g when filled to 80percent of volume - Tubes must be filled to 80percent of volume for proper performance Re-usable and autoclavable at 121 degrees C Round bottoms fit high speed centrifuge rotors Polypropylene (PP) tube and screw cap with integral seal ring for leakproof closure Excellent chemical resistance Package Contents: Globe Scientific Oakridge Style Centrifuge Tubes 12 Pcs Globe Scientific 6321: Oakridge Style Centrifuge Tubes Pack of 12 30ml Transparent