| Al2O3 + SiO2 | Al2O3 | Fe2O 3 | MgO | K2O + Na2O + CaO | Lwm tus |
| > 93% | 45-50% | <1% | <0.5% | <4% | <1% |
| Yam khoom | Tus nqi |
| Kev nqus dej (%) | <2 |
| Qhov ceev (g / cm3) | 1.4-1.5 Nws |
| Lub ntiajteb txawj nqus (g / cm3) | 2.4-2.6 |
| Dawb ntim (%) | 40 |
| Ua haujlwm kub (max) (℃) | 1200 |
| Moh lub hardness (scale) | > 7 |
| Acid resistance (%) | > 99.6 |
| Alkali tsis kam (%) | > 85 |
| Loj | Crush lub zog | |
| Kg / particle | KN/particle | |
| 1/8 "(3mm) | > 35 | > 0.35 |
| 1/4 "(6mm) | > 60 | > 0.60 |
| 3/8 "(10mm) | > 85 | > 0.85 |
| 1/2 "(13mm) | > 185 | > 1.85 |
| 3/4 "(19mm) | > 487 | > 4.87 |
| 1 "(25mm) | > 850 | > 8.5 |
| 1-1/2 "(38mm) | > 1200 | > 12 |
| 2" (50mm) | > 5600 | > 56 |
| Loj thiab kam rau ua (mm) | ||||
| Loj | 3/6/9 | 9/13 | 19/25/38 ib | 50 |
| Ua siab ntev | ± 1.0 | ± 1.5 | ± 2 | ± 2.5 |