Mgo委员会（逐渐减少边的平方Bevelled)

Specification:2440mmx1220mm,2400mmx900mm,1800mmx900mm,2750mmx1200mm Or make according to the customers' requirements Thickness:3mm,4mm,5mm,6mm,8mm,9mm,10mm,12mm or as your requests. Mgo board technical date: Fireproof:A grade (GB8624) Density:0.96-1.03g/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 (CNS 13778) Impact resistance:No carck,strip and run through (CNS 13778) Thermal resistance:1.14m2K/W (GB/T13475-92) Sound insulation:>44db (GBJ121-88) Security:100%no asbestos. Kinds of edge: Square edge Beveled edge Tapered edge PVC and aluminum foil coated Mgo ceiling Material Base:Magnesia board Surface material:PVC Back material:superior aluminum foil Size:603*603*6mm 595*595*6mm other size as you requests'.