Product Features 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. Product Details What Is MgO Board? Magnesium Oxide board MgO 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. It is made of magnesium oxide, a type of mineral cement, and is commonly called simply MgO (pronounced emm-gee-oh) due to its chemical composition of magnesium (chemical symbol Mg) and oxygen (chemical symbol O). 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. Technical datas: TEST ITEM UNIT TEST RESULT Bending Strength Mpa 6MM Width: >18 Length: >15 9MM&12MM-18MM Width: >16 Length: >13 Water Absorption %