Product Description: Groove Wooden Sound-Absorbing Panels are superior performance of sound absorbing decorative material, the substrate is magnesium glass magnesium board, with fire, flame retardant, sound absorption and other advantages, can be customized according to customer needs of different styles and levels. Product Attributes: Name:Ceramic Aluminum Sound-absorbing Panel Application:School ,Hospital , office building、theater.etc Design Style:Industrial Place of Origin:Shandong, China Type:Magnesium Oxide Boards Brand Name:Oushibao size:128/197*2440mm(size can be customized) Thickness:12mm、15mm、18mm(size can be customized) Density:1050~1150KGS/m3 Asbestos:None Fireproof Grade:A1 Grade Feature:Eco-friendly Fireproof Board