... and tear resistanceNonwoven needle punched Filter bag1)Materials: Polyester, Nylon, PP, PE, PTFE, Nomex, Fiberglass, etc.2)Technics: Nonwoven Needle Punched3 ... of Industrial field,such as:petroleum,chemical industry,metallurgy,spinning,printing and dyeing,biology,medicine,foodstuff,papermaking,electron and electricity,and ...