1.Fireproof 2.Waterproof 3.Lightweight 4.High breaking strength 5.Thermal insulation and energy conservation 6.Cost saving Mgo fire boardMagnesium Oxide fire board is made of content of mgo, mgcl2, alkali-resistant grassfibre mesh, plantifibre, natural perlite and modifying agent etc.Production specification: 1200*2100, 1220*2440mm with thickness 3mm, 5mm, 6mm, 8mm, 9mm, 10mm, 12mm, 15mm and 18mm ...