... tensile strength: >1300N/5x20cm7) Warp elongation: <30% Weft elongation: <30%8) Operating Temperature:<190 C9) Short time Temp.( C) :210 C10 ... , Teflon coating and membrane PPS is one of the best filter materials with the properties of anti -acid, anti-alkali, hydrolysis ... treatment,fabric colth-upin bag types PPS(Ryton) needle felt, filter cloth, filter bags