... .acid resistance 3.excellent wear and tear resistanceNonwoven needle punched Filter bag 1)Materials: Polyester, Nylon, PP, PE, PTFE, ... Fume filtration, tiny particle recycle and division of liquid and solid in aluminum electro analysis, tin, zinc, cooper and other ... coal-feed boiler and liquidized laid boilers4) Division of liquid, solid and tiny particle recycle in chemicals, coke, carbon, dyestuff, ...