~ China Magnesia Brick, Fused Magnesia Brick, Magnesia Alumina Brick, Periclase Spinel Brick - Chinese Supplier ~
Name of Brick Magnesia
Fused Magnesia
Specification MZ-95 MZ-92 MZ-90 DMZ-97A DMZ-97B DMZ-95A DMZ-95BMgO (%) > 94.5 > 92 > 90 > 97 > 96.5 > 95 > 94.5 SiO2 (%) < 2 < 3 < 4 < 0.5 < 1.2 < 1.5 < 2 CaO (%) < 2 < 2.5 < 3 < 1 < 1.5 < 1.5 < 1.5 Fe2O3 (%) < 1 No No < 0.8 < 1 < 1.2 < 1.5 Al2O3 (%) < 1 No No < 0.5 < 0.8 < 1 < 1 Cold Crushing Strength (MPa) > 60 > 60 > 60 > 50 > 50 > 45 > 45 Bulk Density (g/cm3) > 2.95 > 2.9 > 2.9 > 3.1 > 3.1 > 3.05 > 3 Refractoriness Under Load of 0.2MPa T0.6 (oC) > 1620 >1570 > 1550 > 1700 > 1700 > 1700 > 1650 Thermal Shock Resistance 1300oC Air Cooling (Times) > 10 > 8 > 8 > 20 > 17 > 15 > 10 Apparent Porosity (%) < 17 < 18 < 18 < 17 < 17 < 17 < 17
Name of Brick Common Magnesia Alumina
Periclase Spinel
Specification ML-80A ML-80 DML-80 MLJ-14 MLJ-24 MLJ-50MgO (%) > 80 > 80 > 80 > 76 > 66 > 40 SiO2 (%) No No 1.5 < 1.5 < 1.5 < 1.5 CaO (%) No No No No No No Fe2O3 (%) No No No No No No Al2O3 (%) 5-10 5-10 5-10 > 14 > 24 > 50 Cold Crushing Strength (MPa) > 40 > 35 > 40 > 40 > 40 > 40 Bulk Density (g/cm3) > 2.95 > 2.95 > 3 > 3.05 > 3.07 > 3.12 Refractoriness Under Load of 0.2MPa T0.6 (oC) > 1600 > 1580 > 1700 > 1700 > 1700 > 1700 Thermal Shock Resistance 1100oC Water Cooling (Times) > 4 > 3 > 8 > 8 > 8 > 8 Apparent Porosity (%) < 17 < 20 < 17 < 17 < 17 < 17