
| Al₂O₃ | Fe₂O₃ | MgO | SiO₂ | Na₂O |
| >99% | <0.1% | <0.5% | <0.2% | <0.05% |
| Itempus | Valor |
| Absorptio aquae (%) | <1 |
| Densitas massae (g/cm3) | 1.9-2.2 |
| Pondus specificum (g/cm³) | >3.6 |
| Temperatura operationis (max.) (℃) | 1650 |
| Porositas apparens (%) | <1 |
| Duritia Moh (scala) | >9 |
| Resistentia acidorum (%) | >99.6 |
| Resistentia alcalina (%) | >85 |
| Res | Valor |
| Absorptio aquae (%) | <1 |
| Densitas sarcinae (g/cm3) | 1.9-2.2 |
| Pondus specificum (g/cm³) | >3.6 |
| Temperatura operationis (max.) (℃) | 1650 |
| Porositas apparens (%) | <1 |
| Magnitudo | Vis contundibilis | |
| kg/particula | KN/particula | |
| 1/8" (3mm) | >203 | >2 |
| 1/4" (6mm) | >459 | >4.6 |
| 1/2" (13mm) | >877 | >8.7 |
| ¾" (19mm) | >1220 | >12 |
| 1" (25mm) | >1630 | >16 |
| 1-1/2" (38mm) | >2340 | >23 |
| 2" (50mm) | >3460 | >34 |