... 3.excellent wear and tear resistance Nonwoven Filter Bag 1.polyester anti-static filter cloth 2.acid resistance 3.excellent ... wear and tear resistanceNonwoven needle punched Filter bag1)Materials: Polyester, Nylon, PP, PE, PTFE, Nomex, Fiberglass, etc.2)Technics ... Usage: Air Filtration, Liquid filtration, Powder filtrationP84 (Polyimide) filter felt (the domestic and import fiber)base cloth and raw ...