refractory insulation brick

Insulation bricks-(mullite insulation bricks) 1. typical physical and chemical properties Model 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-08750.60.87.51450 x 120.280.320.361450 CML-10750.61.08.51480 x 120.30.350.41480 C 2. low thermalconductivity - excellent insulating purposes and energy saving efficiency 3. low bulk density -reduce the weight of furnace structures. 4. low permanent linear change (PLC) - minimumshrinkage after reheatingin campaign.