Wellyoung MgO Perforated Acoustic Panel is used high quality magnesium cement as its substrate material, then paint emulsion paint of acrylic acid on it, and cover high quality anti-dust cloth on the surface at last. A first grade incombustible sound- absorbing board to have durability strong against heart, moisture and shocks, being economical, and to show high sound absorption rate(250~1000Hz) in medium/low frequency bands, as an harmless and eco-friendly material without mold or bacterium propagation, as well as a perforated board with optimal porosity rate on a natural inorganic(magnesium). Specifications of MgO perforated Acoustic board: Materials Base material: Mgo board Surface material: melamine laminate Back material: black non-woven cloth Bending strength 15Mpa (GB/T7019-1997) Density 0.9-1.2g/cm3 Absorbing water rate 15% (JC688-1998) Fireproof characteristic A grade not combustible (GB8624-1997) Thermal resistance 1.14m2K/W (GB/T13475-92) The corner is dealt with Bright shelf platform/drops Security 100% does not include such harmful substance as the asbestos and etc Radioactivity Not limited by the scope of application (GB6763-2000) Size 197*2400mm, 132*2400mm Thickness 15mm The diameters of holes and the slot width could be customized. Advantage of our acoustic mgo board Excellent sound absorption and noise decrease, especially to low and middle frequency. Available tailor-made in choice of pattern, color and veneer. Create a special visual effect. Environmentally friendly Not contain formaldehyde, harmful substances such as heavy metals; non radioactive Inorganic material, A1 fireproof rating Waterproof, damp-proof, anti-moth, antifungal and antibacterial. The strength does not slow down even in wet places Comparing to conventional sound absorption materials, the maintaining cost of this product is much low, and also have a long life. easy to install