... plate, film and so on. Generally used in high performance corrosion-resistant pipes, containers, pumps, valves and system radar, high ... impregnated with liquid and metal, glass, pottery and other surface anti-corrosion layer. Ring of PTFE, PTFE gasket, PTFE packing, etc. ... are widely used in various types of anti-corrosion pipe flange sealing. In addition, it can be used for ...