- Time:Aug 31, 2023
magnesia alumina spinel bricks have a high temperature range and excellent thermal stability. They can withstand extreme temperatures typically encountered in various industrial applications. The temperature range for magnesia alumina spinel bricks is generally around 1600°C (2912°F) to 1800°C (3272°F).
These bricks are often used in high-temperature environments such as steelmaking, cement kilns, non-ferrous metal furnaces, and other demanding industrial processes. Magnesia alumina spinel bricks offer excellent resistance to thermal shock, corrosion, and erosion, making them suitable for these harsh operating conditions.
It's important to note that the temperature range stated above is a general guideline, and the specific temperature tolerance may vary depending on the manufacturer and the composition of the bricks. It is always recommended to consult the manufacturer's specifications and guidelines to ensure the proper usage and maximum performance of magnesia alumina spinel bricks in your specific application.
Physical and chemical indicators of magnesia aluminum spinel bricks produced by zhenjin
| Brand | ZJMA-6 | ZJMA-7 | ZJMA -8 | |
| Chemical Composition wt% |
MgO | ≥85 | ≥86 | ≥86 |
| Fe₂O₃ | ≤0.8 | ≤0.7 | ≤0.7 | |
| Al₂O₃ | 11-13 | 10-12 | 10-12 | |
| SiO₂ | ≤0.7 | ≤0.5 | ≤0.35 | |
| CaO | ≤1.3 | ≤1.1 | ≤0.95 | |
| Bulk Density, g/cm³ | ≥2.95 | ≥2.97 | ≥3.0 | |
| Apparent Porosity, % | ≤16 | ≤16 | ≤16 | |
| Cold Crushing Strength MPa |
≥65 | ≥65 | ≥65 | |
| Refractoriness under Load, ℃ (0.2MPa, t0.6) |
≥1700 | ≥1700 | ≥1700 | |
