1.heat-preservation, 2.fireproof, damp proof, 3.convenient processing, 4. high intensity, 5. free from erosion. Product Name: ireproof Mgo Ceiling Board 1.Product Properties 1.raw materials: magnesium oxide, magnesium chloride,glass fiber, wood flour,perlite; 2.specification:1220×2440mm,1220×3000mm,900×2700mm,other sizes are viable,the length≤3000mm and the width≤ 1300mm; 3.thickness:3-20mm; 4. ...