Teflon bar is a kind of unfilled polytetrafluoroethylene resin (including recycled polytetrafluoroethylene resin) bar formed by molding, paste extrusion or plunger extrusion process, which is suitable for processing various gaskets, seals, lubricating materials working in corrosive media and electrical insulation parts used at various frequencies. The operating temperature range is very wide (from -200 ° C to +260 ° C). It is resistant to almost all chemicals except some fluorides and alkaline metal liquids. Good mechanical properties include aging resistance, especially for bending and swinging applications. Excellent flame retardancy (in accordance with astm-d635 and D470 test procedures, it is classified as a flame retardant material in the air. It has excellent insulation characteristics (regardless of its frequency and temperature), low water absorption, and a series of unique properties such as self-lubricating and non sticky.
There are two kinds of Teflon rods: push rod and molded rod. Among the known plastics, Teflon has excellent chemical corrosion resistance and dielectric properties, can be used at -180 ℃ - +260 ℃, and has low friction coefficient. It is mainly applicable to some long products and non-standard mechanical parts: seals / gaskets, rings, wear plates / base electricity, insulating parts, corrosion resistance industry, mechanical parts, lining, oil and natural gas Petrochemical industry, chemical industry, instrument and equipment manufacturers, etc.
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