the materials of dust filter bag include pps,fms,nomex, ptfe,p84,ptfe needle felt which are high temperature needle felt and normal temperature needle felt:PE AND PP

PP,pps,ptfe,fms have a good property of resistance to water ,acids ,alkalis.

surface treatment :singed,smoothed,oil and water repellent finish ,coating and so on.

working condition of high temperature needle felt: steam coal,garbage burning, dyestuff, cement and so on.