Type Standard High Pure Classification Temp(oC) 1260 Working Temp C) 1100 Color Pure white Density (kg/m3) 96 128 Permanent linear shrinkage(%)(after24 hours,128kg/m3) -3 (1000 oC) Thermal conductivity (w/m.k),128kg/m3) 0.09(400C) 0.09(400C) 0.16(800C) Tensile strength (Mpa)(128kg/m3) 0.08-0.12 0 Chemical Composition (%) Al2O3 47--49 Al2O3+SiO2 99 ZrO2 - Fe2O3 0.2 Na2O+K2O 0.2 CaO+MgO 0.2
