It is a kind of fireproof acoustic panel. It is used fireproof MGO board as base board, surface is emulsion paint of acrylic acid , is processed by precision automatic equipment. The special design is based on the work principle of Micro porous structure system. It's not only having good sound absorption effect but also looking great on visual. Specifications(special specifications can be customized) Thickness:5mm, 6mm, 8mm, 9mm Size:603*603mm 595*595mm 600*1200mm Perforation patterns:Round, Square, Micro Hole dianeter: Round:6mm, 8mm, 12mm, 15mm Square:5mm*5mm, 10mm*10mm, Micro:3mm*3mm Features 1) Good Noise reduction perforamance 2) Light weight in unit acreage 3) Fireproof 4) Waterproof 5) No dust 6) Sag resistance 7) Green products Application MgO Perforated board is one of the best sound absorption products, it is widely used in Auditorium, office, cinema, church, hospital. School and so on.