China Hot Sell Interior Decorative Acoustic Panels for Walls, Find details about China Acoustic Panels, Acoustic Panels Polyester from Hot Sell Interior Decorative Acoustic Panels for Walls
sound-absorption coefficient (NRC) | 0.94 aw |
flammability | B1 |
formaldehyde content determination | ≤8.0mg ≤1.5mg/l |
Volume density(KG/m3) | 229 |
Standard size(mm) | 1220*2420*9 |