... PTFE Membrane etc. OEM is Acceptable. Nonwoven Needle Felt Filter Cloth forDust filter bagsMaterial: Polyester (PET), polypropylene (PP), Fiberglass, METAMAX ... Normal temperature products: PET, pp, anti-static, water and oil repellent, PET membrane, Acrylic. High temperature products: FMS, ... is supposed to be your constant supplier.Specialized in filter cloth production, spun finished woven cloth, and ...