Product Description
Acrylic needle felt
Material: Acrylic fiber  
Weight(gsm): 500
Thickness (mm): 1. 6
Tensile strength (n/5x10cm): Warp: 1200 weft: 1300
Tensile elongation (%): Warp: Warp: <35 weft: <40
Permeability(10-3m3/m2. S): 150~300
Working temperature: Continuance: 140 instant: 160
Surface treatment: Singeing, calendering

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