ʻO ka pauka alumina he mea maʻemaʻe kiʻekiʻe, maikaʻi i hanaʻia mai ka alumini oxide (Al2O3) i hoʻohana nuiʻia i nāʻanoʻoihanaʻoihana. ʻO ia ka pauka crystalline keʻokeʻo i hana maʻamau ma o ka hoʻomaʻemaʻe ʻana i ka ʻaila bauxite. Loaʻa i ka pauka alumina nā ʻano waiwai i makemake ʻia, me ka paʻakikī kiʻekiʻe, ke kūpaʻa kemika, a me ka insulation uila, e lilo ia i mea waiwai i nā ʻoihana he nui.
| Hoʻohālike | Pauda | Keke('āpana) | ʻĀpana (Poʻo) |
| Kinohi | ʻO ka pauka wehe keʻokeʻo | keke keʻokeʻo | ʻO keʻokeʻo granular |
| ʻO ka awelika o ke anawaena pōpō mua (um) | 0.2-3 | - | - |
| ʻO ka ʻāpana ili kikoʻī (m / g) | 3-12 | - | - |
| ʻOi aku ka nui (g / knm) | 0.4-0.6 | - | 0.8-1.5 |
| Ka mānoanoa nui (g / knm) | - | 3.2-3.8 | - |
| Al2O3 maʻiʻo (%) | 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 like me nā koi like ʻole hiki ke hāʻawi i ka pauka, granule, poloka, pie a i ʻole ʻano kolamu | |||
Hoʻohana ʻia ʻo Aluminum Oxide Powder
1.Ceramic Industry: electronic ceramics, refractory ceramics, and advanced technical ceramics.
2.Polishing and Abrasive Industry: nā lens optical, nā wafers semiconductor, a me nā mea metala.
3.Catalysis
4. Thermal Spray Coatings: aerospace a me nā ʻoihana kaʻa.
5.Electrical Insulation
6.Refractory Industry: kapuahi linings, ma muli o kona kiʻekiʻe heheʻe a me ka maikaʻi thermal paʻa.
7. Hoʻohui i nā Polymers
8.Other: ma keʻano he mea hoʻoulu hana, adsorbents, catalysts a me nā kākoʻo catalyst, ka uhiʻana o ka vacuum, nā mea aniani kūikawā, nā mea hoʻohui, resin filler, bio-ceramics etc.
Inā he mau nīnau kāu. E ʻoluʻolu e hoʻokaʻaʻike mai iā mākou.