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
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