ʻO ka pauka aluminahe mea hoʻomaʻemaʻe kiʻekiʻe, maikaʻi i hana ʻia maialumini oxide (Al2O3)i hoʻohana nui ʻia i nā ʻano hana ʻoihana like ʻole. ʻO ia ka pauka crystalline keʻokeʻo i hana maʻamau ma o ka hoʻomaʻemaʻe ʻana i ka ʻaila bauxite.
| Nā waiwai kino: | |
| kalakala | Keʻokeʻo |
| Ka nana aku | Pauda |
| Mohs paakiki | 9.0-9.5 |
| Lae hehee (ºC) | 2050 |
| Puni paila (ºC) | 2977 |
| ʻAiʻi maoli | 3.97 g/cm3 |
| Hōʻike | Al2O3 | Na2O | D50(um) | ʻO nā ʻāpana aniani maoli | ʻAiʻi Nui |
| 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 |
ʻO ka pauka alumini oxide (Al2O3) kahi mea maʻalahi e ʻike i nā noi he nui ma nā ʻoihana like ʻole.
Inā he mau nīnau kāu. E ʻoluʻolu e hoʻokaʻaʻike mai iā mākou.