
| Res | Index | Unitas | Data |
| 1 | gravitas specifica massae | g/cm³ | 3.2~3.3 |
| 2 | Media expansionis celeritas (20-1000℃) | 10-6/k | 6.6~8 |
| 3 | Conductivitas thermalis | W/(mk) | 2.6~3.8 |
| 4 | Calor specificus | KJ/Kg.k | 1.2~1.4 |
| 5 | refractarietas sub onere | ℃ (0.2Mpa) | 1660 |
| 6 | resistentia ictus thermalis | ℃/ter | 427 |
| 7 | Humiditatem mollire | Celsius | MDCCXXX |
| 8 | Temperatura Operativa Maxima | Celsius | 1650 |
| 9 | Resistentia acidorum | % | 99.54 |
| 10 | firmitas ad alcali | % | 98.05 |
| 11 | absorptio aquae | % | 5~10 |
| Compositio chemica | |
| Compositio | Data (%) |
| SiO₂ | VI~VIII |
| A12O3 | >90 |
| Alii | <4 |