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Fluorine plastic uses a detailed introduction
PTFE is currently the largest amount of fluorine plastic varieties, accounting for about 60% of its total demand, its excellent performance, trusted by users. Other fluoroplastics are also expanding their use in the semiconductor, medical, wire coating and other fields. The use of fluoroplastics can be summarized as: 1. The use of its chemical resistance: Fluorine plastics in the chemical resistance has long been limited to the manufacture of seals, gaskets, fittings, corrosion-resistant parts in other needs (such as pipes ) On the use of the stars are also increasing. With the improvement of raw materials and processing technology, the molding method of fluoroplastic enlarges the choice of factory: if injection molding can greatly improve the production efficiency, the cutting process, the polytetrafluoroethylene bonding and welding technology The development has made it possible to manufacture large tanks and equipment linings. The FEP powder coating process makes processing more flexible and convenient. Anti-corrosion in the production process of the semiconductor, anti-pollution fluorine plastic has been more used. 2. Mechanical industry: Teflon small friction coefficient, the static friction coefficient is lower than the dynamic friction coefficient, can be used in low-speed high-load areas, such as civil, chemical, bridges and other structural components can be solved by thermal expansion and vibration caused by telescopic problem. Specific applications are: (1) bearing bushings of anti-pollution machinery (such as textile, paper making, pharmacy, food machinery); (2) machinery for transporting non-lubricating liquids such as alkali and solvent (such as blender, dyeing machine and pump) 3) Sleeves that work in corrosive environments such as acids and bases (eg plating bath chemical equipment); (4) oil-free lubrication (eg oxygen plant); (5) oil lubrication (eg cryogenic freezers, liquid fuels Pump); (6) oil lubrication under adverse effects (plus high temperature dryer, oven Taiwanese, furnace conveyor belt) work sliding parts; (7) low speed and high load sliding parts [movable support]. 3. Electrical field: Fluoroplastics is a flame retardant material, high critical oxygen index and corrosion resistance, can be used for wire insulation. ETFE, PVDF insulation resistance, high dielectric strength, mechanical strength is also excellent, can be used for computers, telecommunications cables. Use of its weather resistance, radiation resistance and other characteristics can be used for small wells and nuclear reactors cable. The use of its high relative dielectric constant and low dielectric loss characteristics can be used for communications equipment, high frequency electric instruments, the PTFE and carbon black, carbon fiber conductive material such as mixing can be used as anti-static materials and heating element materials. PVDF can also be made of piezoelectric components for the radio industry and instrumentation industry. 4. Non-sticky: The use of fluorine plastic non-sticky can be made of kitchen equipment (such as non-stick pan, snack mold), senior building exterior coating, foam molding mold, copier rollers. In addition, artificial blood vessels, heart valves and other medical engineering materials, gas separation membranes, waterproof breathable composite fabrics and other purposes are also increasingly widespread.