nke

| Ihe | Index | Nkeji | Data |
| 1 | nnukwu ike ndọda kpọmkwem | g/cm3 | 3.2-3.3 |
| 2 | Nkezi ọnụego mgbasawanye (20-1000 ℃) | 10-6/k | 6.6-8 |
| 3 | Thermal conductivity | W/(mk) | 2.6-3.8 |
| 4 | Okpomọkụ akọwapụtara | KJ/Kg.k | 1.2-1.4 |
| 5 | refractoriness n'okpuru ibu | ℃ (0.2Mpa) | 1660 |
| 6 | thermal ujo iguzogide | ℃/3 ugboro | 427 |
| 7 | Mee ka iru mmiri dị nro | ℃ | 1730 |
| 8 | Okpomọkụ arụ ọrụ kacha | ℃ | 1650 |
| 9 | Nguzogide acid | % | 99.54 |
| 10 | ngwa ngwa na alkali | % | 98.05 |
| 11 | mmiri absorption | % | 5 ~ 10 |
| Ngwakọta kemịkalụ | |
| Ihe mejupụtara | Data(%) |
| SiO2 | 6-8 |
| A12O3 | >90 |
| Ndị ọzọ | <4 |