Product Description
Name: Pps needle felt
Material: Pps fiber
Weight(gsm): 450
Thickness (mm): 1. 2
Tensile strength (n/5x10cm): Warp: 800 weft: 1000
Tensile elongation (%): Warp: <40 weft: <60
Permeability(10-3m3/m2. S): 150~350
Working temperature: Continuance: 190 instant: 220
Surface treatment: Singeing, calendering, heat setting

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