Fireproof:A1 grade (GB8624)
Intensity of bending resistance when dry:18Mpa (GB/T7019-1997)
Intensity of bending resistance when moisture-saturated condition:22Mpa (GB/T7019-1997)
Thermal resistance:1.14m2K/W (GB/T13475-92)
Sound insulation:>44db (GBJ121-88)
Mgo board have been rated grade A fire-resistant by mainland China's National Center of Quality Supervision and Test of Fire Equipment.
What's more,they are Light,Durable,Eco-friendly,Nontoxic,resistant to mold and mildew and they offer great insulation for both heat and sound.