Sell PPS Needle Felt

Features:
1) Material: PPS fiber
2) Weight: 450gsm
3) Thickness: 1.2mm
4) Tensile strength (n/5 x 10cm): a) Warp: 800 b) Weft: 1,000
5) Tensile elongation: a) Warp: <40% b) Weft: <60%
6) Permeability (10 - 3m3/m2S): 150 - 350
7) Working temperature (℃): a) Continuance: 190 b) Instant: 220
8) Surface treatment: singeing, calendaring, heat setting