... A 4.100% no asbestos 1.About new type decorative mgo board: New type decorative mgo board Glass magnesium board (commonly known ... rot, does not crack, deformable, noncombustible, high strength light weight, convenient construction, long service life and has a special ... high temperature, flame-retardant, acoustic shock, water moisture, light anti-corrosion, non toxic,tasteless non-polluting, can be ...