... : Nomex 2. Finish: PTFE Membrane, PTFE dipping, PTFE coating 3. Resistant to high temperature 1.The material of the filter bag: Fiberglass ... the users requirement including round, trapezoidal, flat and profiled filter bag. 3.We can provide two different kinds of the filter ... bags, one is external filter bag, the other one is internal filter bag.We can meet the different requirment of ...