1.PTFE membrane fiberglass filter bag 2. high temperature 190 celsius 3.ISO: 9001-2000 Detailed Product Description1 PTFE membrane ... :950 g/m2 Product name: PTFE membrance fiberglass filter cloth Product name PTFE membrance fiberglass filter clothMaterial Fiberglass Weight950GBreaking ... of filter material for air filtration.x such as PPS, PTFE, P84, nomex , acrylic, polyester, fiberglass needle felt ...