... 3.excellent wear and tear resistance Nonwoven needle punched Filter bag1)Materials: Polyester, Nylon, PP, PE, PTFE ... 1000gsm4)Thickness: 0.5mm-30mm5)Usage: Air Filtration, Liquid filtration, Powder filtration Application fields:1) The fume and smoke ... ceramics, building materials, lime and plaster6) Dust treatment, purification and collection in electronics, mining, foodstuff processing, flour ...