Polyester filter bag 500g/m2, 550g/m2 Temperature: 130-150 degree Excellent dustcake ... produce PP, PES, PPS, NOMEX, PTFE, P84, Fiberglass, Acrylic Fiber filter bags. Applications: power station, electricity, coal plant, steel company, cement ... : 130-150 degree10.Surface treatment: heat set, singed, calendered 550g polyester filter bag