Item name: non woven needle felt for filter bagsMaterial: polyester (PET), polypropylene (PP), acrylic, fiberglass, Nomex / aramid, P84, PPS (ryton), PTFEProduct range (by application):a. regular needle felt in polyester or polypropyleneb. fiberglass needle feltc. antistatic needle feltd. high temperature resistant needle felte. water & oil repellent needle feltFinishing treatment mainly includes: Singed, calandered, PTFE membrane and heat set. Application: liquid filtration and industrial dust collection (blast furnace gas, cement plants, black carbon, asphalt, food industry.)