... -retardant factories andpower stations2) Fume filtration, tiny particle recycle and division of liquid and solid in aluminumelectro analysis, ... , mining, foodstuffprocessing, flour and timber processing .Nonwoven needle punched Filter bag1)Materials: Polyester, Nylon, PP, PE, PTFE, Nomex ... 1000gsm4)Thickness: 0.5mm-30mm5)Usage: Air Filtration, Liquid filtration, Powder filtrationthe sample picture: