Features: 1) Weight: 400-800gsm 2) Width: 2.5m (max.) Application fields: 1) The fume and smok ... electronics, mining, foodstuffprocessing, flour and timber processing .Nonwoven needle punched Filter bag1)Materials: Polyester, Nylon, PP, PE, PTFE, Nomex, Fiberglass, ... etc.2)Technics: Nonwoven Needle Punched3)Gram Weight: 100gsm-1000gsm4)Thickness: 0. ...