| Khoom | Al2O 3% | Qhov ceev ceev g / cm2 | Kev nqus dej | Mohs hardness scale | Abrasion poob% | Xim | |
| High alumina sib tsoo pob | 92 | 3.65 ib | 0.01 ib | 9 | 0.011 ib | Dawb | |
| Nruab nrab alumina sib tsoo pob | 65-70 : kuv | 2.93 ib | 0.01 ib | 8 | 0.01 ib | Yellow-White | |
| Qhov xav tau | |||||||
| High alumina sib tsoo pob | Nruab nrab alumina sib tsoo pob | ||||||
| Txhaum | Tsis tso cai | Tsis tso cai | |||||
| impurity | Tsis tso cai | Tsis tso cai | |||||
| Ua npuas ncauj qhov | Saum 1 hli tsis tso cai, loj hauv 0.5 hli tso cai 3 pob. | ||||||
| Qhov tsis haum | Max. loj hauv 0.3mm tso cai 3 pob. | ||||||
| Qhov zoo | a) Cov ntsiab lus siab alumina | ||||||
| Warranty | a) Los ntawm lub teb chaws tus qauv HG/T 3683.1-2000 | ||||||
Hom tshuaj muaj pes tsawg leeg:
| Cov khoom | Loj | Cov khoom | Loj |
| Al2O3 | 65-70% | SiO 2 | 30-15 |
| Fe2O 3 | 0.41 ib | MgO | 0.10 |
| CaO | 0.16 | TiO 2 | 1.71 ib |
| K2O | 4.11 | Na2O | 0.57 ib |
Cov ntaub ntawv loj ntawm cov khoom:
| Spec.(mm) | Qhov siab (cm3) | Qhov hnyav (g / pc) |
| Φ30 | 14 ± 1.5 | 43 ± 2 |
| Φ40 | 25 ± 1.5 | 100 ± 2 |
| Φ50 | 39 ± 2 | 193 ± 2 |
| Φ60 | 58 ± 2 | 335 ± 2 |
Hom tshuaj muaj pes tsawg leeg:
| Cov khoom | Loj | Cov khoom | Loj |
| Al2O3 | ≥92% | SiO 2 | 3.81% |
| Fe2O 3 | 0.06% | MgO | 0.80% |
| CaO | 1.09% | TiO 2 | 0.02% |
| K2O | 0.08% | Na2O | 0.56% |
Cov khoom tshwj xeeb:
| Spec.(mm) | Qhov siab (cm3) | Qhov hnyav (g / pc) |
| Φ30 | 14 ± 1.5 | 43 ± 2 |
| Φ40 | 25 ± 1.5 | 126 ± 2 |
| Φ50 | 39 ± 2 | 242 ± 2 |
| Φ60 | 58 ± 2 | 407 ± 2 |