Profile: Sterlitech Corporation is a manufacturer of inorganic membranes such as silver metal membranes. Cellulose acetate membrane filters are composed of pure cellulose acetate. They are ideal for protein & enzyme filtrations, tissue culture media sterilization, cold sterilization, biological fluid filtration and other filtration applications where maximum recovery of proteins is critical. Cellulose acetate membrane filter has dimensional stability after autoclaving or steam sterilizing and is completely unaffected by temperatures up to 135°C.