
| 牌号/指标 | MgO(%) | Al2O3(%) | Cr2O3(%) | SiO2(%) | Fe2O3(%) | 堆积密度(g/cm³) Packing density | 粒度(mm) Granularity |
|---|---|---|---|---|---|---|---|
| 镁质1型 | ≥91 | ≤1.2 | ≤1.5 | 3-5 | ≥2.40 | 0-10 | |
| 镁质2型 | ≥95 | ≤2 | <1.2 | ≥2.40 | 0-10 | ||
| 刚玉尖晶石质 | 5-15 | 80-90 | ≤1.2 | ≥2.45 | 0-6 | ||
| 镁尖晶石质 | 75-85 | 15-20 | ≥2.40 | 0-6 | |||
| 镁铬质 | 55-60 | 5-8 | 15-25 | ≤3 | 10-15 | ≥2.45 | 0-6 |
| 石英质 | ≥98 | ≥2.40 | 0-6 |