;

| Al2O3 | Fe2O3 | MgO | SiO2 | Na2O |
| >99% | <0.1% | <0.5% | <0.2% | <0.05% |
| Item | Wearde |
| Wetterabsorption (%) | <1 |
| Bulk tichtens (g/cm3) | 1.9-2.2 |
| Spesifike swiertekrêft (g/cm3) | >3.6 |
| Operaasjetemp. (max) (℃) | 1650 |
| Skynbere porositeit (%) | <1 |
| Moh's hurdens (skaal) | >9 |
| Sourresistinsje (%) | >99.6 |
| Alkali-resistinsje (%) | >85 |
| Ûnderdiel | Wearde |
| Wetterabsorption (%) | <1 |
| Ferpakkingstichtens (g/cm3) | 1.9-2.2 |
| Spesifike swiertekrêft (g/cm3) | >3.6 |
| Operaasjetemp. (max) (℃) | 1650 |
| Skynbere porositeit (%) | <1 |
| Grutte | Crush sterkte | |
| kg / dieltsje | KN / dieltsje | |
| 1/8" (3mm) | >203 | >2 |
| 1/4" (6mm) | >459 | >4.6 |
| 1/2" (13 mm) | >877 | >8.7 |
| 3/4" (19 mm) | >1220 | >12 |
| 1" (25 mm) | >1630 | >16 |
| 1-1/2" (38 mm) | >2340 | >23 |
| 2" (50 mm) | >3460 | >34 |