... .acid resistance 3.excellent wear and tear resistanceNonwoven needle punched Filter bag 1)Materials: Polyester, Nylon, PP, PE, PTFE, Nomex, ... 100gsm-1000gsm4)Thickness: 0.5mm-30mm5)Usage: Air Filtration, Liquid filtration, Powder filtration Application fields:1) The fume and ... , coal-feed boiler and liquidized laid boilers4) Division of liquid, solid and tiny particle recycle in chemicals, coke, carbon ...