Upfu hweAlumina, inozivikanwawo se aruminiyamu oxide or alumina yakabatidzwa, ikemikari inoshandiswa zvakanyanya kugadzira aruminiyamu.
| Muenzaniso | Upfu | Keke (chidimbu) | Granular (Bhora) |
| Chimiro | Upfu hwakachena hwakasununguka | Keke jena | Chena granular |
| Avhareji yedhayamita yepuraimari (um) | 0.2-3 | - | - |
| Nzvimbo chaiyo yepamusoro (m / g) | 3月12日 | - | - |
| Kuwanda kwehuwandu (g / cm) | 0.4-0.6 | - | 0.8-1.5 |
| Kuwanda kwehuwandu (g / cm) | - | 3.2-3.8 | - |
| Hunhu hweAl2O3 (%) | 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 |
| Zvichienderana nezvinodiwa zvakasiyana zvinogona kupa hupfu, granule, block, pie kana column type | |||
1. Zvinhu zvinopenya: phosphor ine ruvara rwegirini (rare earth trichromatic phosphors) inoshandiswa sechinhu chikuru chine phosphor refu, PDP, phosphor, LED;
2. Zviumbwa zvesimbi zvinopenya: zvinoshandiswa semachubhu e fluorescent erambi re sodium rinomanikidzwa zvakanyanya, hwindo rekurangarira rinoverengerwa chete nemagetsi;
3. Kristaro Imwe Chete: yekugadzira rubhi, safaya, yttrium aruminiyamu garnet;
4. Simba guru re alumina ceramic: se substrate inoshandiswa mukugadzira macircuit akabatanidzwa, maturusi ekucheka uye kuchena kwakanyanya;
5. Abrasive: gadzira abrasive yegirazi, simbi, semiconductor uye purasitiki;
6. Diaphragm: Kushandiswa kwekugadzira chifukidziro che lithium battery separator;
7. Zvimwe: sechipfeko chinoshanda, zvinosanganisa zvinhu zvinosimbisa ganda, zvinosimbisa ganda uye zvinotsigira zvinhu zvinosimbisa ganda, chipfeko chevacuum, zvinhu zvegirazi zvakakosha, zvinhu zvinosanganisa ganda, resin filler, bio-ceramics nezvimwewo.
Kana muine mibvunzo. Ndapota inzwa wakasununguka kutibata nesu.