Transparent Cryogenic Vial provided by STE-Mart is made from medical grade USP VI 100% pure polymer polypropylene. Spiral cap is made of polypropylene with the same expansion coefficient, which further increases the tightness of the tube at different temperatures.
Thickened walls Cap with built-in O-ring gasket to prevent liquid leakage Temperature resistance -80°C to 120°C Electron beam irradiation sterilisation DNA-free, RNA-free, pyrogen-free, endotoxin-free