1. Introduction of PTFE products
Polytetrafluoroethylene products are made of polytetrafluoroethylene resin, which is sintered after cold pressing with a mold, and has excellent corrosion resistance, good self-lubrication and non-adhesion. Therefore, the product is resistant to almost all chemical media, and has the characteristics of wear resistance, pressure resistance and low friction coefficient. It is widely used in petroleum, chemical, metallurgical machinery, transportation, medicine, food, electric power and many other fields.
2. Characteristics of PTFE products
Polytetrafluoroethylene products are made of polytetrafluoroethylene resin, which is sintered after cold pressing with a mold, and has excellent corrosion resistance, good self-lubrication and non-adhesion. Therefore, the product is resistant to almost all chemical media, and has the characteristics of wear resistance, pressure resistance and low friction coefficient. It is widely used in petroleum, chemical, metallurgical machinery, transportation, medicine, food, electric power and many other fields.
3. Application of PTFE products
PTFE can be processed by compression or extrusion; it can also be made into an aqueous dispersion for coating, impregnation or fiber formation. PTFE is widely used in atomic energy, national defense, aerospace, electronics, electrical, chemical, machinery, instrumentation, instrumentation, construction, textile, metal surface treatment, pharmaceutical, medical, textile, food, metallurgical smelting and other industries. , corrosion-resistant materials, insulating materials, anti-stick coatings, etc., making it an irreplaceable product. PTFE has excellent comprehensive properties, high temperature resistance, corrosion resistance, non-stick, self-lubricating, excellent dielectric properties, and low coefficient of friction. Used as engineering plastics, it can be made into polytetrafluoroethylene pipes, rods, strips, plates, films, etc. It is generally used in corrosion-resistant pipes, containers, pumps, valves and radar, high-frequency communication equipment, etc. radio equipment, etc. Adding any filler that can withstand the sintering temperature of PTFE can greatly improve the mechanical properties while maintaining other excellent properties of PTFE. Filled varieties include glass fiber, metal, metallized oxide, graphite, molybdenum disulfide, carbon fiber, polyimide, EKONOL, etc. The wear resistance and limit PV value can be increased by 1000 times.
The polytetrafluoroethylene pipe material that can be used as pharma packaging material is made of suspension polymerized polytetrafluoroethylene resin and processed by plunger extrusion. PTFE has the best chemical resistance and dielectric properties of the known plastics. PTFE braided packing is a good dynamic sealing material. It is woven from expanded polytetrachloroethylene strips. It has low friction coefficient, wear resistance, chemical corrosion resistance, good sealing, no hydrolysis, no Hardening and other excellent properties. Gasket seals and lubricating materials used in various media, as well as electrical insulating parts, capacitor dielectrics, wire insulation, electrical instrument insulation, etc. used in various frequencies. PTFE film is suitable for capacitor medium, insulation layer of special cable, wire insulation, electrical instrument insulation and sealing gasket, as well as non-stick tape, sealing tape and mold release.
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