PTFE Gasket is a non-metallic gasket, using high quality PTFE resin, adding graphite powder, molybdenum disulfide, high temperature lubricant, glass fiber and other filling modified materials, by pressing molding sintering and curing. Use the ambient temperature-200℃ -220℃. Some containers, pipes and valves in petroleum, chemical, pharmaceutical and food industries are connected, and in order to ensure material cleaning, PFE kets are often sealed. It is widely used in a variety of strong acids, strong alkali, strong oxidation, chlorine gas and unacceptable pollution medium sealing.