PTFE gasket is also named Teflon (Teflon, Teflon) gasket. Flat gaskets, V-shaped gaskets, piston rings, ball valve gaskets, etc. made of polytetrafluoroethylene rods, pipes, and plates through mechanical turning or cutting can also be pressed into molded PTFE gaskets through molds and high-temperature vulcanization. fromRuichangxing summarizes the relevant advantages and introduction of PTFE gaskets.

Tetrafluoride has excellent corrosion resistance, aging resistance, insulation, cleanliness and other good characteristics, so it is widely used in many fields such as chemical, petroleum, pharmaceutical, food and so on, known as the "King of Plastics".

Polytetrafluoroethylene has extremely strong corrosion resistance, and only a few elements such as molten alkali metals and fluorine under high temperature and high pressure can affect it. Tetrafluoroethylene is non absorbent, not affected by oxygen, and has good weather resistance. After 3 years of outdoor exposure, its tensile strength remains almost unchanged, with only a decrease in elongation. Due to the easy occurrence of cold flow and creep under pressure and high temperature, tetrafluoroethylene is very suitable for sealing areas with strong corrosion or no pollution at low pressure, low temperature or medium temperature. Tetrafluoroethylene can have good mechanical strength between -100 ℃ and 100 ℃, and can be processed into different shapes of tetrafluoroethylene products. It can also be combined with other materials, such as making tetrafluoroethylene coated gaskets, spiral wound gaskets, or as a layer of metal gaskets, such as metal toothed composite gaskets and metal corrugated composite gaskets.