insulation brick with a wide range of density and materials on regular production Insulation bricks -(mullite insulation bricks)1. typical physical and chemical propertiesModel No.Al2O3Fe2O3BD,g/cm3CCS, MpaPLC <2%Temp.(C) x hrs, TC,W/m.KRUL,0.2MPa400 C600 C1000 CML-03750.40.33.51350 x 120.180.220.261350 CML-05750.40.55.01380 x 120.220.260.31380 CML-06750.40.65.81420 x 120.260.30.321420 CML-08750. ...