1.waterproof,fireproof,anti-aging,anti-earthquake,anti-crack. 2.low cost. 3.easy for installation. MGO Board is a kind of Magnesium oxide board which takes magnesia material as its main material, uses alkali-resistant Fiberglass mesh as strengthening material takes light material as its filler,which compounded with the above three kinds of materials under the non water-in process, It is a kind of ...