Mgo board Main characteristics Fireproofinfg characteristic:A grade non combustible(GB8624) Density:0.9-1.1g/cm3(GB/T7019-1997) Intensity of bending resistance when dry :18Mpa(GB/T7019-1997) Intensity of bending resistance when moisture-saturated condition:22Mpa(GB/T7019-1997) The rate of deformation when pick up the moisture:0.26%(GA160-1997) The shrinking rate when heated:1.0%(GA160-1997) Water permeability:there is no drop of water to emerge in the back(CNS13778) Impact resistance:No crack,strip and run through(CNS13778) Thermal resistance:1.14m2k/w(GB/T 13475-92) Sound insulation:44db(GBJ121-88) Color:white or grey Security:100% does not include the asbestos,formaldehyde,and benzene Radioactivity;Not limited by the scope of application(GB6566-2001) Our Absolute advantages: Grade A non combustible(GB8624) fireproof,waterproof,soundproof green mgo board friendly mgo board 1 direct manufacturer 2 no middleman profit 3 in stock fast shipment 4 Hi-Q,CE ISO,SGS