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Kevlar PTFE Graphited Packing Features:It is a high-quality baided packing made of PTFE yarns fiber with incorporated graphite and the reinforced corner yarns of Aramid fiber. It can presence of high pressure and temperature. It has good sliding velocity and thermal conductivity. It enables to seal high pressure piston pump during a long running period. It can be used seal water, sewage water, hot water, oils, Greases, weak acids and alkaline solutions, abrasive medium ?Teflon Packing is suitable for seals valve and seals pump used in food processing, pharmaceuitcal, paper mills, fiber plant, where high purity and corrosion resistance is required. Without any lubricant. (Food grade packing) ? ?Specification:Size: 3.0mm - 50mmPressureMpa22025TemperatureC<280Linear speedM/s2022PH range2~12link:http://www.gasket-china.com/gland-packing/aramid-fiber-packing/zebra-aramid-teflon-cotton-fiber-graphite-sea.html