.

| Ntho | Index | Yuniti | Lintlha |
| 1 | matla a khoheli a khethehileng | g/cm3 | 3.2~3.3 |
| 2 | sekhahla sa katoloso se mahareng (20-1000℃) | 10-6/k | 6.6-8 |
| 3 | Thermal conductivity | W/(mk) | 2.6~3.8 |
| 4 | Mocheso o khethehileng | KJ/Kg.k | 1.2 ~ 1.4 |
| 5 | refractoriness tlasa moroalo | ℃(0.2Mpa) | 1660 |
| 6 | ho hanyetsa mocheso oa mocheso | ℃/3 makhetlo | 427 |
| 7 | Nolofatsa mongobo | ℃ | 1730 |
| 8 | Mocheso o Moholo oa ho sebetsa | ℃ | 1650 |
| 9 | Ho hanyetsa asiti | % | 99.54 |
| 10 | ho potlaka ho alkali | % | 98.05 |
| 11 | ho monya metsi | % | 5~10 |
| Sebopeho sa lik'hemik'hale | |
| Sebopeho | Lintlha(%) |
| SiO2 | 6-8 |
| A12O3 | >90 |
| Ba bang | <4 |