Simport 50Ml Disposable Centrifuge Tubes Case T420-4 by Simport Scientific GROUP: Lab Equipment & Accessories:Sample Collection & Processing:Tubes/Vials/Cuvettes Item Description: 50mL Centrifuge Tube, Green Cap, Sterile, Polypropylene, 25/Bag , 20 bg/Case Packaging Desc: Centrifuge Tube 50Ml 29X118Mmst 25/Bag 20Bg/Case Country of Origin: CA Harmonized Tariff Code: 3926.90 Product Description: Useful for collecting and transporting biological specimens. Leakproof characteristics are ensured by a flat top plastic screw cap with an inner sealing lip. Molded graduations from 2.5 to 50ml. Can be autoclaved and will resist temperatures up to 121�C. They will also resist acids, solvents and alkalies at room temperature. They withstand centrifugation speeds of 3000 g or 5000 RPM. Polypropylene tubes only can be autoclaved and resist acids, solvents and alkalies.