Polyester Needle Punched FeltMaterialPolyesterWeight (g/m2)300-600Thickness (mm)1.5-2Air permeability (L/?/S)80~500Tensile Strength (N/5×20cm)longitude=1000Latitude=1100Elongation at Break (%)longitude<50Latitude<60Temperature (?)=125TreatmentCould be Water proof, Anti-static, PTFE membrane
Synthetic Polyester Anti-static Vacuum Cleaner Filter Bags