Aluminum iron spinel brick
| index/product | unit | Magnesia brick | Magnesia alumina brick | Magnesia zirconium brick | Magnesia chrome brick | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| WDMZ-98 | WDMZ-95 | WDMZ-97 | WMZ-80A | WMZ-80B | WMZ-1 | WMZ-2 | WDMC-12 | WDMC-20 | ||
| MgO≥ | % | 97.5 | 95 | 97 | 80 | 80 | 73 | 77 | 60 | 58 |
| CaO≤ | % | 1.2 | 2.0 | - | - | - | - | - | - | - |
| Al2O3 ≥ | % | - | - | 5-10 | 5-10 | - | - | - | - | - |
| SiO2≤ | % | 1.0 | 2.0 | - | - | - | - | - | 3.2 | 1.5 |
| ZrO2≥ | % | - | - | - | - | 12 | 12 | 12 | ||
| Cr2O3≥ | % | - | - | - | - | - | - | - | 12 | 20 |
| Apparent porosity≤ | % | 16 | 18 | 18 | 18 | 20 | 18 | 16 | 19 | 18 |
| Cold crushingstrength≥ | Mpa | 60 | 60 | 40 | 40 | 30 | 65 | 70 | 35 | 40 |
| 0.2 mpa ℃ load softening point t0.6≥ | ℃ | 1700 | 1600 | 1600 | 1600 | 1580 | 1600 | 1600 | 1580 | 1650 |
| Reburn line changes1650℃x2h | % | - | - | - | - | - | - | - | - | |
| Bluk densely≥ | g/cm³ | 3.05 | 2.9 | - | - | - | 3.0 | 3.1 | 3.0 | 3.0 |
