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Name: Water and oil repellent needle felt
Material: Polyester
Weight(gsm): 500
Thickness (mm): 1. 5
Tensile strength (n/5x10cm): Warp: 1100 weft: 1500
Tensile elongation (%): Warp: <20 weft: <45
Permeability(10-3m3/m2. S): 150~350
Working temperature: Continuance: 120 instant: 150
Surface treatment: Calendering, dip forming process

chemical character
anti-acid                     : Medial
anti-alkali                    : Middle
anti-anrasion               : EXcellent
hydroly sis stablility     : Middle