... product introduce:Polytetrafluoroethylene [PTFE, F4] is the world's best material for corrosion resistance, it was "king ... of chemical media, it produces solve our country's chemical industry, petroleum, pharmaceutical and other areas of ... material and filler material2) product's technical parameters: PropertyUnitNominal ValueAppearance——white powder, no impuritiesTensile Strength Mpa≥36Elongation ...