Ufa wa aluminandi chinthu choyera kwambiri, chopangidwa ndi tinthu tating'onoting'ono topangidwa kuchokera kuokusayidi wa aluminiyamu (Al2O3)yomwe imagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana. Ndi ufa woyera wa kristalo womwe nthawi zambiri umapangidwa kudzera mu kuyenga miyala ya bauxite.
| Katundu Wachilengedwe: | |
| Mtundu | Choyera |
| Maonekedwe | Ufa |
| Kuuma kwa Mohs | 9.0-9.5 |
| Malo osungunuka (ºC) | 2050 |
| Malo otentha (ºC) | 2977 |
| Kuchulukana kwenikweni | 3.97 g/cm3 |
| Kufotokozera | Al2O3 | Na2O | D50(um) | Tinthu ta kristalo toyambirira | Kuchuluka kwa Zinthu Zambiri |
| 0.7 um | ≥99.6 | ≤0.02 | 0.7-1.0 | 0.3 | 2-6 |
| 1.5 um | ≥99.6 | ≤0.02 | 1.0-1.8 | 0.3 | 4-7 |
| 2.0 um | ≥99.6 | ≤0.02 | 2.0-3.0 | 0.5 | <20 |
Ufa wa aluminiyamu oxide (Al2O3) ndi chinthu chogwiritsidwa ntchito m'njira zosiyanasiyana chomwe chimagwiritsidwa ntchito m'mafakitale osiyanasiyana.
Ngati muli ndi mafunso aliwonse. Chonde musazengereze kulankhulana nafe.