Magnesia-iron Spinel Brick
Magnesia-iron spinel brick is an excellent refractory product with "chromium-free" in the firing zone of cement kilns. With excellent kiln coating hanging ability, good thermal shock resistance, cement clinker erosion resistance and low thermal expansion rate, it has excellent performance in the firing zone of cement kilns.
Good Refractoriness
CE & ISO Certified
High Quality
Customization Accepted
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Magnesia-iron spinel brick is an excellent refractory product with “chromium-free” in the firing zone of cement kilns. With excellent kiln coating hanging ability, good thermal shock resistance, cement clinker erosion resistance and low thermal expansion rate, it has excellent performance in the firing zone of cement kilns.
Specification:
| Item | Specification | |
| MIS | HMIS | |
| MgO % | ≥85 | ≥88 |
| Fe2O3 % | 5~7.5 | 5~6 |
| Al2O3 % | 3~5 | 4~7 |
| Bulk Density, g/cm3 | ≥3 | ≥2.9 |
| Apparent Porosity, % | ≤17 | ≤16 |
| CCS, MPa | ≥45 | ≥55 |
| TSR, Cycle 1100℃ Water | ≥6 | ≥8 |
| 0.2MPa RUL℃ | ≥1600 | ≥1650 |
| Thermal Expansion Rate, % 1400℃ | ≤1.6 | ≤1.7 |
| Thermal Conductivity, W/(m·K) 350±25℃ | ≤2.6 | ≤2.6 |
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