Fireproof Board 1.got ISO9001:2008 2.fireproof class A1 3. ... 4.fireproof,waterproof,anti-moth Product Name: Magnesium Oxide Fireproof Board 1.Product Properties 1.raw materials: magnesium oxide, magnesium ... , wood flour,perlite; 2.specification:1220×2440mm,1220×3000mm,900×2700mm,other sizes are viable,the length≤3000mm and the ... 2.can be planed,sawed,nailed easily. Magnesium Oxide Fireproof Board