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Properties Value IB40S001A IB40S001B IB40S001C IB40S001D
Thermal Properties          
Max. Service Temperature (oC) 1260 1300 1400 1400
Permanent Linear Change % -0.7 +0.20 -0.7 +0.05
After heating at Temp. oC 1230 1300 1400 1400
Thermal Conductivity at 600 oC kcal/hr.m.oC 0.16 0.31 0.32 0.29
Thermal Conductivity at1000 oC kcal/hr.m.oC 0.19 0.36 0.38 0.34
Chemical Properties          
Alumina (Al2O3) % 40.0 41.0 45.0 45.3
Iron Oxide (Fe2O3) % 1.0 1.0 1.5 1.1
Physical Properties          
Cold Crushing Strength at 110oC kg/cm2 23 30 35 40
Dry Density g/cm3 0.76 0.8 0.85 0.85
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