... Materials of low temperature in refrigeration, like liquid methane, liquid ammonia, liquid oxygen and different kinds of refrigerant.Materials requested ... , nitric rubber, PTFE5. Coarse cartridge material: stainless steel (frame and mesh)6. Cartridge Material: titanium sintered ... flange standard, filter accuracy and technical data of stainless steel.Filter mediumWater, oil, gas, nitric acid, acetic ...