... material, deformation, high strength, aesthetically pleasing, elegant color, decorative acoustic effect. Such as: theaters, concert halls, sports arenas, bowling ... Main Characteristic1Core materialcomposed of high quality of medium density fiberboard(MDF).2 )Back of board : Sound Fiberglass Mat3) surface finishing ... 1200x600mm, 2400x1200mm Thickness : 12mm, 15mm,20mm Wood wool acoustic panel