... .acid resistance 3.excellent wear and tear resistanceNonwoven needle punched Filter bag1)Materials: Polyester, Nylon, PP, PE, PTFE, Nomex, Fiberglass, ... -30mm5)Usage: Air Filtration, Liquid filtration, Powder filtrationP84 (Polyimide) filter felt (the domestic and import fiber)base cloth and raw ... oxygen index LOI value is 38, can be filtered hot gas below 260°C.Application:it can be slathered at bag ...