... 1220*2440;915*1830 Thickness: 3--30mm MgO board (magnesium oxide board) is an industry leading material widely used ... & sound insulation, easy installation, environmentally friendly, etc, mgo board serves as an ideal base material for external wall, ... Environmentally friendly 11) Anti-insects and mildew12) Dehalogenation resistant Application:1) Exterior wall, interior partition, ceilling, floor ...