| Item |
Unit |
Magnesite Chromite Brick | |
| MGCR-4 | |||
| Bulk Density | g/cm3 | 2.92±0.05 | |
| Apparent Porosity | % | ≤19 | |
| Cold Crushing Strength (C.C.S.) | MPa | ≥ 50 | |
| Refractoriness Under Load | ºC | ≥1650 | |
| Thermal Shock Resistance (1100ºC, water cooling) |
cycles | ≥ 4 | |
Chemical Composition |
MgO | % | 85~89 |
| Cr2O3 | % | ≥4.0 | |
| Al2O3 | % | 2.0~4.0 | |
| Fe2O3 | % | 2.0~4.0 | |
| SiO2 | % | ≤1.0 | |
| CaO | % | ≤1.5 | |
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