... .fire-resistant, 3.heat-insulation 4.environment protection perforated acoustic panel 1.Core material: high quality MDF 2.Thickness 12/15 ... veins for over 100 colours4.Black felt: noise reducible element.5.Size:128x2440mm6.Low formaldehyde emission, conforms to E1 Standard of ... , meeting room, Office, Airport, villas and residential areas etc. Noise control panel