... normal temperature filtration material with rational structure and superior performance.2) Material: 100% polyester fibre 3) Weight (gsm): ... .85) Tensile strength (n/5x10cm): (warp) 1,900, (weft) 2,1506) Tensile elongation (%): (warp) <50, (weft) <557) Permeability ... (10-3cbm/sqm.S): 150~3508) Working temperature: (continuance) 130°C, (instant) 150°C9) Surface treatment: singeing, heat ...