Iimbonakalo:
1.Ubushushu obuphezulu obuxhathisayo kunye ne-refractoriness elungileyo
2.Ukusebenza kakuhle kwi-high temp refractoriness phantsi komthwalo
3.Ukuchasana okugqwesileyo kwi-slag abrasion
4.Ubuninzi bobuninzi obuphezulu
5.I-porosity ephantsi ebonakalayo
6.Ubumdaka obuphantsi
| Into | IBanga lama-91 | IBanga lama-92 | IBanga lama-93 | IBanga lama-94 | IBanga lama-97 |
| MgO, % ≥ | 91 | 92 | 93 | 94.5 | 97 |
| SiO2, % ≤ | 4 | 3.5 | 2.5 | 2 | 2 |
| Fe2O3, % ≤ | 1.3 | - | - | 1.2 | 1.2 |
| I-CaO, % ≤ | 2.5 | 2.5 | 2 | 1.8 | 1.8 |
| I-Porosity ebonakalayo, % ≤ | 18 | 18 | 18 | 18 | 18 |
| Ubuninzi Bobuninzi, g/cm3 ≥ | 2.86 | 2.9 | 2.95 | 2.92 | 2.95 |
| Amandla Okutyumza Okubandayo Mpa, ≥ | 60 | 60 | 50 | 60 | 60 |
| 0.2Mpa Refractoriness Phantsi koMlayisho T0.6 ℃ |
≥1570 | ≥1560 | ≥1620 | ≥1650 | ≥1700 |
| I-Thermal Shock Resistances 100 ℃ imijikelo yamanzi | ≥18 | ≥18 | ≥18 | ≥18 | ≥18 |