Product's Technical Parameters

Product Name: Polyester needle felt 550 GSM

Physical Properties

Fiber: Polyester
Scrim: Polyester
Weight(G/M2): 550
Thickness (mm): 2.0
Width (mm): ≤ 2.2
Length: 50m/roll
Finish treatment: Singeing, Calendering, Heat-set
Air permeability (L/m2/S): 120
Tensile strength (N/5× 20cm): Warp: 1200
Weft: 1500
Tensile elongation (%): Warp: <35
Weft: <55
Temperature (º C): Continue: 120
Instant: 150

Chemical Properties

Anti-acid: Excellent
Anti-alkali: Fair
Anti-abrasion: Excellent
Hydrolytic stability: Fair