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BASIC BRICKS - MAGNESIA SPINEL

Properties Value BBMSS001A (7%) BBMSS001B (14%) *BBMSS001C (14%) *BBMSS001D (12%) BBMSS001E (11%) *BBMSS001F (18%) *BBMSS001G (13%)
Thermal Properties                
Permanent Linear Change % +0.05 +0.01 +0.05 +0.01 +0.05 +0.05 +0.05
After heating at Temp. oC >1700 1700 1700 1700 1700 1700 1700
Thermal Conductivity at 600 oC kcal/hr.m.oC 2.81 2.79 2.81 2.81 2.79    
Thermal Conductivity at1000 oC kcal/hr.m.oC 2.49 2.49 2.51 2.50 2.51    
Chemical Properties                
Alumina (Al2O3) % 6.5 13.5 13.5 12.0 10.5 17.5 12.5
Iron Oxide (Fe2O3) % 0.5 0.5 0.6 0.5 0.5 0.5 4.0
Magnesia (MgO) % 91.0 85.0 84.5 85.0 87.0 80.0 80.0
Physical Properties                
Cold Crushing Strength at 110oC kg/cm2 650 500 500 550 600 600 550
Dry Density g/cm3 2.87 2.88 2.97 2.92 2.9 2.9 2.88

* = For Alternate Fuel
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