Insulation Bricks

Properties of High Alumina Insulating Bricks Products Item LG-1.0 LG-0.9LG-0.8 LG-0.7 LG-0.6 LG-0.5 LG-0.4 Al2O3 content, min 48%Fe2O3 content, max 2%Bulk density, g/cm3 , max 1.0 0.9 0.8 0.7 0.6 0.5 0.4 Compressing Strength, Mpa, min 3.92 3.43 2.94 2.45 1.96 1.47 0.78 Temp. of linear change less than 2% after reheating 1400 1400 1400 1350 1350 1250 1250 Thermal conductivity w/m.k, average temp.350±25, max 0.50 0.45 0.35 0.35 0.30 0.25 0.20