mgo board 1.fireproof,waterproof,light weight 2.1220*3600*3- ... surface, wood grain 4.any size and density select mgo board is a light weight, waterproof, fire resistant, and high ... of the good quality and normal cost. The product's raw materials include mgo,mgcl2,fiber glass, non-woven cloth, ... etc. It's Green-label product. Sinkung mgo board doesn't contain any of asbestos fiber, it provides the ...