Polyester needle felt with smooth surface

Specification
Composition:PET/PET scrim
Thickness (mm):1.8
Air permeability (L/m2/s):200-350
Tensile strength(N/5×20cm)
Warp≥1100
Weft≥1300
Tensile elongation (%)
Warp＜35
Weft＜40
Broken strength (N/m2):450
Continuous wokring Tem.(℃)≤130
Short time working Tem.(℃)150
Anti-acid:Fair
Anti-alkali:Fair
Anti-abrasion:Excellent
The stability of water solution:Fair
Finishing treatment:Singeing,calendaring,heatting（Mirror treatment）