... %polyester monofilament Heat resistant low thermal shrink Belt Filter ClothPFM started the production of belt filter cloth since 1987,and ... permeability:250 to over 1000 CFM)Specifications of polyester belt filter cloth : Polyester Spiral Filter Cloth Without ... ,Fiberboard plants,Medicine,printing,drying industry as conveyor belt,Pharmacy,environment protection,Process hides,shoe-making,clothing, ...