... 2.SGS,HACCP,ISO9001 3.molding power micro powder 4.Extrusion grade 5.High quality ,competitive price 1 ... and other surface anti-corrosion layer. Ring of PTFE, PTFE gasket, PTFE packing, etc. are widely used in various types ... for spinning, fiber PTFE - Teflon (foreign trade name Teflon). 2) product's technical parameters:PropertyUnitNominal ValueAppearance——white powder, no impuritiesTensile ...