Product Details Magnesium Oxide board is a factory-made, non-insulating sheathing board product. It can be used for a number of applications including wall and ceiling linings, fascias, soffits, tile backing and underlayment) Think of MgO as a type of sheathing board (sort of like drywall or cement board) but with much-improved characteristics such as fire resistance, weather ability, strength, resistance to mold, mildew, and so on. Fire Resistance limit of fireproof MgO board: 3mm thickness can reach the request of fireproof. 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 of magnesium oxid board: 1. Normal MgO board: one smooth, one rough surface; 2. Pasted with wall paper; 3. Coated with latex paint; 4. Glued with ceramic tile; 5. With a design of wood or water or other grain. Specifications and datas of mgo sheet: Item Size Thickness weight Quantity/20GP(pallet packing) 1 1220*2440mm 3mm 10kg 1800pcs 2 1220*2440mm 4mm 14kg 1300pcs 3 1220*2440mm 6mm 18kg 1080pcs 4 1220*2440mm 8mm 24kg 808pcs 5 1220*2440mm 10mm 28kg 648pcs 6 1220*2440mm 12mm 34kg 540pcs Appilications for mgo boad: In many applications, MgO boards can be used in the same ways as gypsum and Portland cement sheathings. The substitution is not fully direct in terms of sheet thicknesses, fastening methods and joint treatments, but is very similar. This makes MgO board an easy product to use. The possible uses of MgO board are vast, and some of them include:Firewalls. Partitions.Structural sheathing for wood or metal stud walls.Shower stall tile backer board.Facings for structural panels engineered to use MgO as the facing.Shaft liners.Ceilings.Soffits.Fascia.Substrates for coatings and insulated systems (such as Direct-Applied Finish Systems, EIFS, and stucco)