Nonwoven Filter Bag 1.polyester anti-static filter cloth 2.acid resistance 3. ... resistance 3.excellent wear and tear resistanceNonwoven needle punched Filter bag 1)Materials: Polyester, Nylon, PP, PE, PTFE, Nomex, Fiberglass, etc ... , tin, zinc, cooper and other rare metals3) Smoke filtration in garbage burning, coal-feed boiler and liquidized laid boilers4) Division of ...