... 40Cold crushingstrength, Mpa≥110x24h9101113151000x3h35404545501400x3h4045505050Linear on reheating%1400x3h±0.6±0.5±0.4±0.5±0.4Max. service temperature,14001450150014501500Water consumption, % ... castable ItemIndexIC-0.6IC-0.8IC-1.0IC-1.2IC-1.35IC-1.5Al2O3 content, % ≥253540424550Bulk density, g/cm3 ≥0.60.81 ... on reheating%900x3h-0.3-0.3-0.5-0.1-0.3-0.21200x3h----0.9-0.7-0.2+0.5+0.5Thermal conductivity, w ...