Performance of mgo board 1. Fireproof: 2. Waterproof 3. Soundproof 4. Heat preservation 5. Environmental protection 6. Easy to install Size: width:900/1200/1220mm; length: 1500-3050mm; thick:3-20mm Density:950-1200kg/cbm Magnesium oxide board is a technologically advanced building material that offers superior performance in every category when compared to traditional wood, gypsumand cement based products. Magnesium oxide board is virtually impervious to fire, water, insects; does not feed mold or mildew; is non-toxic, non- flammable andnon-combustible; is durable, maintains it¡¡¥s dimensional stability ¡§c even when wet; and has exceptional bonding surface Pallet packing, board corner protection