... carbon,bronze,graphite,glassfibre,Mos2 Characteristics: PTFE filling product has strong corrosion-resistance and friction-resistance. By ... , PS, hardness, compression strength and abrasion-resistance of the product is improved. In addition, it will have good ... of washer, valve, bearing, slide, piston ring, insulating sleeve, and self-lubricating seal. Specifications:We can supply enhanced PTFE product ...