... , power plants, smelting industry, 100% polyester filter bagMaterial: woven fabric and needle felt made in polyester, polypropylene, Nomex, FMS, glassfiber, PTFE ... , and other options can easily be incorporated into bag construction. can custom fabricate various types of attachments ... .7135 /150singed on one side,PTFE membrance P84 high-temperature resistant550g/m2P84/P842.8240 /260singed on one ...