| Tur | 1600 taxtasi | 1700 ml taxtasi | 1800 ml taxtasi | 1900 million taxtasi | |
| Tasniflangan temp. | 1600℃ | 1700℃ | 1800℃ | 1900℃ | |
| Ishlovchini tejash. | 1500℃ | 1600℃ | 1700℃ | 1750℃ | |
| Zichlik (kg / m3) | 400 | 350 | 400 | 765 | |
| Chiziqli qisqarish (%) (8 soat) |
0.1(1500℃) | 0.2(1600℃) | 0.1(1700℃) | 0.3(1750℃) | |
| Issiqlik o'tkazuvchanligi (W / m.k) |
600 ℃ da | 0.14 | 0.12 | 0.117 | 0.23 |
| 800 ℃ da | 0.17 | 0.15 | 0.189 | 0.27 | |
| 1000 ℃ da | 0.24 | 0.18 | 0.228 | 0.31 | |
| 1200 ℃ | |||||
| Kimyoviy (%) |
Al2o3 | 64 | 75 | 78 | 78 |
| Al2o3 + SiO2 | 98 | 99 | 99.8 | 99.8 | |