... 3.excellent wear and tear resistance Nonwoven Filter Bag1.polyester anti-static filter cloth 2.acid resistance 3.excellent wear ... and tear resistanceNonwoven needle punched Filter bag 1)Materials: Polyester, Nylon, PP, PE, PTFE, ... plant, steel works, moulding factories, fire-retardant factories and power stations 2) Fume filtration, tiny particle recycle and division ...