
| Al2O3 | Fe2O3 | MgO | SiO2 | Na2O |
| >99% | <0.1% | <0.5% | <0.2% | <0.05% |
| Item | Mtengo |
| Kuyamwa madzi (%) | <1 |
| Kuchuluka kwa zinthu (g/cm3) | 1.9-2.2 |
| Mphamvu yokoka yeniyeni (g/cm3) | >3.6 |
| Kutentha kwa ntchito (kwapamwamba) (℃) | 1650 |
| Kuoneka ngati porosity (%) | <1 |
| Kuuma kwa Moh (kukula) | >9 |
| Kukana kwa asidi (%) | >99.6 |
| Kukana kwa alkali (%) | >85 |
| Chinthu | Mtengo |
| Kuyamwa madzi (%) | <1 |
| Kuchuluka kwa kulongedza (g/cm3) | 1.9-2.2 |
| Mphamvu yokoka yeniyeni (g/cm3) | >3.6 |
| Kutentha kwa ntchito (kwapamwamba) (℃) | 1650 |
| Kuoneka ngati porosity (%) | <1 |
| Kukula | Mphamvu yophwanya | |
| makilogalamu/tinthu | KN/tinthu tating'onoting'ono | |
| 1/8" (3mm) | >203 | >2 |
| 1/4" (6mm) | >459 | >4.6 |
| 1/2" (13mm) | >877 | >8.7 |
| 3/4" (19mm) | >1220 | >12 |
| 1" (25mm) | >1630 | >16 |
| 1-1/2"(38mm) | >2340 | >23 |
| 2" (50mm) | >3460 | >34 |