Product Details WELLYOUNG Fireproof MgO Board is a new-type green decorative board which is processed by special production process. It is used modified magnesia cement as the basic material,glass fiber cloth as the reinforced material, and light-weight material as the stuffing. Fire Resistance limit of fireproof MgO board: 9mm Wellyoung MgO board could be applied for >= 120mins fireproof lightweight partition wall; 12mm Wellyoung MgO board could be applied for >= 180mins fireproof lightweight partition wall. The data is for reference only. Please contact us for more details on fireproof MgO board in different specifications. Features 100% Non Asbestos mgo board Virtually impervious to fire Virtually impervious to water Unaffected by all insects Non-nutrient for mold or mildew Completely non-toxic Homogeneous construction to eliminate de-laminating Available for almost every application required in residential, commercial and industrial construction Appilications for mgo boad: Interior and exterior wall board Shaft-liner Ceiling / soffits or underlayment board Tile backer board Base board to receive new finish Part of interior or exterior cladding or rendering system Sheathing material for structural insulated panel systems (SIPS)