Features:
Product name:fibergalss needle punched felt
Material: glass fiber
Scrim: fibergalss woven cloth
Weight: 800gsm
Thickness: 2.2mm
Tensile strength (N/5 x 10cm): a) Warp: 2,200 b) Weft: 2,600
Tensile elongation: a) Warp: <5% b) Weft: <5%
Permeability (10-3m3/m2S): 150 - 300
Working temperature (centigrade): a) Continuance: 240 b) Instant: 260
Surface treatment: PTFE dip forming process, calendering,heat setting
packing:polybag