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LOW CEMENT CASTABLES - 40% ALUMINA

Properties Value LC40S001A LC40S001B LC40S001C LC40S002A LC40S002B
Thermal Properties            
Max. Service Temperature (oC) 1350 1400 1450 1450 1450
Permanent Linear Change % -0.90 +0.20 -0.10 -0.30 +/-1.0
After heating at Temp. oC   1400 1300   1450
Thermal Conductivity at 600 oC kcal/hr.m.oC 1.04 1.08 1.38 0.90  
Thermal Conductivity at1000 oC kcal/hr.m.oC 1.12 1.20 1.48 1.16  
Chemical Properties            
Alumina (Al2O3) % 42.0 44.0 45.0 40.0 45.0
Iron Oxide (Fe2O3) % 1.0 1.1 1.5 1.50 1.0
Physical Properties            
Cold Crushing Strength at 110oC kg/cm2 500 550 300   700
Dry Density g/cm3 2.2 2.38 2.35   2.30
Max. Grain Size of Aggregates mm 12.5 12.5   6 6
Approx. Amount of Water Required for Casting % 6.0-7.0 4.5-5.5 6.5-7.5 5.5-6.5 5.5-6.5
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