Impuphu ye-Aluminakuyinto emsulwa kakhulu, enemibala emihle eyenziwe nge-i-aluminium oxide (Al2O3)esetshenziswa kabanzi ezinhlotsheni ezahlukene zezimboni. Kuyimpuphu emhlophe ekristalu evame ukukhiqizwa ngokucwengisiswa kwe-ore ye-bauxite.
| Izakhiwo Ezibonakalayo: | |
| Umbala | Okumhlophe |
| Ukubukeka | Impuphu |
| Ubulukhuni be-Mohs | 9.0-9.5 |
| Indawo yokuncibilika (ºC) | 2050 |
| Indawo yokubilisa (ºC) | 2977 |
| Ubuningi beqiniso | 3.97 g/cm3 |
| Imininingwane | I-Al2O3 | I-Na2O | D50(um) | Izinhlayiya zekristalu zokuqala | Ubuningi obukhulu |
| 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 |
Impuphu ye-aluminium oxide (Al2O3) iyinto eguquguqukayo ethola ukusetshenziswa okuningi emikhakheni eyahlukahlukene.
Uma unemibuzo. Sicela uzizwe ukhululekile ukuxhumana nathi.