Acoustic Panel Type:Polyester Acoustic Panels Material:100% polyester fibre acoustic panels Certification:SGS, Oeko-Tex Standard 100,Intertek General use:Interior decoration & highway sound barrier Flame Retardant:ASTM E84 Class A Flammability:EN 13501-1 Class B Acoustics:EN ISO 354:2003: NRC-0.85 Weight Range:1300g/m2-3500g/m2 Standard Specification:1220mm(width)*2440(length)*(3-25)(thickness)mm Color:Acoustic Panels can be customized Production:Automation production acoustic panels Show More