Astaamaha:
1.Higher heerkulka adkaysi leh refractoriness wanaagsan
2.Waxqabadka wanaagsan ee refractoriness heerkulka sare hoos load
3.Cabbin heer sare ah oo ku saabsan abrasion slag
4. Cufnaanta bulk sare
5. Hoos u muuqda porosity
6.Hoos u ah nuxurka wasakhda
| Shayga | Fasalka 91 | Fasalka 92 | Fasalka 93 | Fasalka 94 | Fasalka 97 |
| MgO, % ≥ | 91 | 92 | 93 | 94.5 | 97 |
| SiO2,% ≤ | 4 | 3.5 | 2.5 | 2 | 2 |
| Fe2O3, % ≤ | 1.3 | - | - | 1.2 | 1.2 |
| CaO, % ≤ | 2.5 | 2.5 | 2 | 1.8 | 1.8 |
| Porosity muuqata, ≤ | 18 | 18 | 18 | 18 | 18 |
| Cufnaanta Bulk, g/cm3 ≥ | 2.86 | 2.9 | 2.95 | 2.92 | 2.95 |
| Xoog burburinta Qabow Mpa, ≥ | 60 | 60 | 50 | 60 | 60 |
| 0.2Mpa Refractoriness Hoosta Xamuulka T0.6 ℃ |
≥1570 | ≥1560 | ≥1620 | ≥1650 | ≥1700 |
| Iska caabbinta shoogga kulaylka 100 ℃ wareegyada biyaha | ≥18 | ≥18 | ≥18 | ≥18 | ≥18 |