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Magnesia Chrome (MgO - Cr2O3) Bricks

Quality KA 11 MCR KA 12 MCR KA 14 MCR KA 56 MCR KA 50 MCR KA 54 MCR
Physical Properties Refractoriness (SK) 40 40 40 40 40 40
AP (%) 13 13 13 13 13 13
BD (g/cm3) 2.99 3 3.05 3.05 3.05 3.05
CCS (kg/cm2) 400 400 450 450 450 450
TE (%) @ 1000℃ 1.2 1.2 0.85 1.2 0.85 1.2
PLC (%) @ 1500℃x2hrs -0.1 -0.1 -0.1 0 0.3 0.2
RUL (2kg/cm2,T2℃) 1500 1500 1540 1500 1540 1500
Chemical Properties (%) MgO 71 62 58 56 49 54
Cr2O3 11 12 14 12 19 15
Main Application EAF Side Wall Glass melting Furnace, EAF

Quality KA 9 MCR KA 5 MCR KA 9 CMR KA 10 MCR KA 17 MCR
Physical Properties Refractoriness (SK) 40 40 40 40 40
AP (%) 13 18 17 16 15.5
BD (g/cm3) 2.98 3.05 3.02 3.1 3.15
CCS (kg/cm2) 450 600 450 450 600
TE (%) @ 1000℃ 1.2 1.3 1.2 1.2 1
PLC (%) @ 1500℃x2hrs 0.1 0 0.1 0.2 0.2
RUL (2kg/cm2,T2℃) 1500 1650 1730 1650 1650
Chemical Properties (%) MgO 74 88 78 75 70
Cr2O3 9 5 9 10 17
Main Application EAF Roofs Cement Rotary Kiln Steel Refining Furnace

Magnesite (MgO) Bricks

Quality KA 96 MGO KA 95 MGO KA 90 MGO KA 97 MGO KA 94 MGO KA 92 MGO
Physical Properties Refractoriness (SK) 40 40 40 40 40 40
AP (%) 18 18 20 13 13 13
BD (g/cm3) 2.98 2.95 2.9 2.98 2.95 2.9
CCS (kg/cm2) 600 600 600 450 450 450
TE (%) @ 1000℃ 1.3 1.25 1.2 1.3 1.3 1.3
PLC (%) @ 1500℃x2hrs -0.1 -0.1 -0.1 -0.4 -0.4 -0.5
RUL (2kg/cm2,T2℃) 1600 1570 1540 1500 1550 1500
Chemical Properties (%) MgO 96 95 90 97 94 92
Main Application Glass melting Furnace, EAF, Nonferrous metal melting Furnace Glass melting Furnace, EAF, Nonferrous metal melting Furnace

Spinel Bricks

Quality KA 90 SPIL KA 95 SPIL
Physical Properties AP (%) 16.7 16.75
BD (g/cm3) 3.18 3.18
CCS (kg/cm2) 850 750
RUL (2kg/cm2,T2℃) 1700 1700
Chemical Properties (%) MgO 5.8 4.8
Fe2O3 0.5 0.3
SiO2 0.4 0.2
Al2O3 91.5 94.5
Main Application Ladle
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