Phofo e tšoeu ea alumina e kopantsoeng e entsoe ka phofo ea alumina e nang le sodium e tlase e hloekileng haholo ka ho qhibiliha mochesong o phahameng, ho pholisa kristale, ebe e sila. Lehlohlojane la phofo ea aluminium oxide e kopantsoeng le tšoeu le laoloa ka thata ho boloka kabo ea boholo ba lijo-thollo le ponahalo e tsitsitseng.
Kabo ea boholo ba lithollo tsa phofo e tšoeu ea alumina e kopantsoeng e moqotetsane. Kamora ho sebetsoa ka sebopeho, phofo e tšoeu ea corundum e hloekileng haholo e na le lithollo tse felletseng, mathoko le likhutlo tse bohale, bokhoni bo phahameng ba ho sila, le khanya e phahameng ea ho bentša. Bokhoni ba ho sila bo phahame haholo ho feta lintho tse bonolo tse kang silica.
| Sehlopha sa Abrasives | Kereiti e sa thekeseleng | |||||
| Ntho | Thollo | Phofo e Nyane | Boholo ba Sehlopha | Phofo e ntle | ||
| Al2O3 (%)≥ | 99 | 99 | 99 | 98.5 | 99 | 99 |
| Fe2O3 (%)≤ | 0.05 | 0.06 | 0.08 | 0.1 | 0.1 | 0.1 |
| SiO2 (%)≤ | 0.26 | 0.28 | 0.30 | 0.40 | 0.35 | 0.35 |
| TiO2 (%)≤ | 0.08 | 0.09 | 0.10 | 0.15 | 0.3 | 0.3 |
| Boholo | 12-80 | 90-150 | 180-220 | 240-4000 | 0-1mm 1-3mm 3-5mm 5-8mm | -180mesh -200mesh -240mesh -320mesh |
| Matlotlo a 'Mele | ||||
| Ponahalo | Angular | |||
| 'Mala | Bosweu | |||
| Bothata | MOH 9.0 2100-3000kgf/cm2 | |||
| Botebo ba 'Nete | ≥3.90g/cm3 | |||
| Boitsebiso ba Motheo | a-Al2O3 | |||
| Tlhahlobo ea Lik'hemik'hale | |||
| Boholo ba lijo-thollo | Karolo | E Hlokahala ho latela GB Standard | Boleng bo Tloaelehileng ba Sehlahisoa sa Rona |
| #4 - #80 | Al2O3 | ≥ 99.10% | 99.65% |
| Na2O | ≤ 0.35% | 0.22% | |
| Fe2O3 | - | 0.03% | |
| SiO2 | - | 0.03% | |
| #90 - #150 | Al2O3 | ≥ 99.10% | 99.35% |
| Na2O | ≤ 0.40% | 0.30% | |
| Fe2O3 | - | 0.04% | |
| SiO2 | - | 0.05% | |
| #180 - #220 | Al2O3 | ≥ 98.60% | 99.20% |
| Na2O | ≤ 0.50% | 0.34% | |
| Fe2O3 | - | 0.05% | |
| SiO2 | - | 0.08% | |
Ho Sila le ho Sebedisa
Tokisetso ea Bokaholimo
Li-refractories
Ho Lahla ka ho Sebetsa
Ho phatloha ho matla
Li-superabrasives
Liserami le Lithaele
Haeba o na le lipotso. Ka kopo ikutloe u lokolohile ho ikopanya le rona.