Pa'u alumina, e ta'ua fo'i o 'okesaita alumini or alumina fa'agaoioia, o se vaila'au fa'akemikolo e fa'aaogaina tele e gaosia ai le alumini.
| Fa'ata'ita'iga | Pauta | Keke (vaega) | Polo (Granular) |
| Foliga | Pauta pa'epa'e | Keke paʻepaʻe | Pa'epa'e ma'ale'ale |
| O le averesi o le lautele o le vaega autū (um) | 0.2-3 | - | - |
| O le eria patino o le fogaeleele (m / g) | 3月12日 | - | - |
| Mafiafia o le Tele (g / cm) | 0.4-0.6 | - | 0.8-1.5 |
| O le mafiafia tele (g / cm) | - | 3.2-3.8 | - |
| Aotelega o le Al2O3 (%) | 99.999 | 99.999 | 99.999 |
| Si(ppm) | 2 | 2 | 2 |
| Na(ppm) | 1 | 1 | 1 |
| Fe(ppm) | 1 | 1 | 1 |
| Ca(ppm) | 1 | 1 | 1 |
| Mg(ppm) | 1 | 1 | 1 |
| S(ppm) | 1 | 1 | 1 |
| Ti(ppm) | 0.3 | 0.3 | 0.3 |
| Cu(ppm) | 0.8 | 0.8 | 0.8 |
| Cr(ppm) | 0.5 | 0.5 | 0.5 |
| E tusa ai ma manaʻoga eseese e mafai ona tuʻuina atu le pauta, granule, poloka, pai poʻo le ituaiga koluma | |||
1. Mea e fa'amalamalama: o le phosphors trichromatic e seasea fa'aaogaina o le mea autu e mata'utia ai le phosphor umi, PDP phosphor, LED phosphor;
2. Omea manino: fa'aaogaina o ni paipa fluorescent mo le lamepa sodium maualuga le mamafa, fa'amalama manatua faitau-na'o le eletise e mafai ona polokalameina;
3. Kilisitala Tasi: mo le gaosiga o le ruby, safaira, yttrium alumini garnet;
4. Keramika alumina maualuga malosi: e pei o le substrate e faʻaaogaina i le gaosiga o matagaluega tuʻufaʻatasi, meafaigaluega tipi ma le ulo faʻapala maualuga le mama;
5. Mea fa'a'a'a: gaosia le mea fa'a'a'a o tioata, u'amea, semiconductor ma palasitika;
6.Diaphragm: Talosaga mo le gaosia o le ufiufi vavae ese o le maa lithium;
7. Isi: e fai ma ufiufi malosi, mea e mitiia ai mea fa'aoso, mea fa'aoso ma lagolago mea fa'aoso, ufiufi e aunoa ma le fa'aogaina o le masini e fa'aoso ai mea, mea fa'apitoa tioata, mea tu'ufa'atasi, mea fa'atumu resin, mea fa'aola-ceramics ma isi mea fa'apena.
Afai e iai ni au fesili. Fa'amolemole fa'afeso'ota'i matou.