PTFE gasket, also named Teflon gasket, is made by cutting PTFE stick, pipe and sheet into flat shape, v shape gasket or valve annulus. It is anticorrosive, anti-aging and not electric. PTFE PH value is among 0-14. It can have good mechanical strength at -100℃～100℃. The pressure is 10Mpa. Note: When the temperature is lower than -185℃, PTFE gasket will get brickle. Pure PTFE gasket is a kind of clean sealing product. It won’t pollute any substance it touches. It is widely used in the industry of foodstuff and medicine