... .excellent wear and tear resistanceNonwoven needle punched Filter bag1)Materials: Polyester, Nylon, PP, PE, PTFE, Nomex, Fiberglass, etc.2)Technics: Nonwoven Needle ... )Usage: Air Filtration, Liquid filtration, Powder filtrationP84 (Polyimide) filter felt (the domestic and import fiber)base cloth and raw material are made in ...