1.Made by MgO,MgSO4,patent product 2.fireproof,waterproof 3.100% free of asbestos Soovee sanded magnesium oxide ... hot product,It is in accordance with enterprise'sstandard No.q/xtjc001-2009 and has property right of autonomous knowledge. ... benezene and any other harmful substances.It's green,fireproof,waterproof,sound insulation,mildew resistance,mold resistance,earthquake resistance,Non- ...