Alumina yakasanganiswa nebrown yakagadzirwa nebauxite yepamusoro-soro sezvinhu zvisina kugadzirwa, anthracite uye simbi. Inogadzirwa nekunyungudutsa arc pa2000°C kana tembiricha yepamusoro. Inopwanywa uye inoiswa purasitiki nemuchina unozvigaya wega, yakasarudzwa nemagineti kubvisa simbi, inoseferwa kuita saizi dzakasiyana, uye magadzirirwo ayo akaomarara uye akaomarara.
Makemikari uye Zvimiro zveMuviri | ||||||
| Zvinhu | Al2O3 | Fe2O3 | SiO2 | Kuwanda kwehuwandu | Ruvara | Kushandiswa |
| Giredhi I | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Maroon | Zvinhu zvinoramba kudzorwa, |
| Giredhi rechipiri | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Chidimbu chitema | kupukuta zvakanaka |
| Giredhi rechitatu | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Upfu hwegrey | Kupukuta, kukuya |
| Giredhi IV | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Chidimbu chitema | Kukuya, kucheka, kuputira jecha |
| Giredhi V | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Upfu hwegrey | Kupukuta, kukuya |
1. Brown fused alumina yakakodzera kugadzira maturusi abrasive eceramic neresin akabatanidzwa, anoshandiswa kukuya simbi dzine simba guru, dzakadai sesimbi yekabhoni, simbi ye alloy inoshandiswa zvakanyanya, simbi inonyungudika uye simbi yakaoma yebronze nezvimwewo.
2. Inoshandiswa zvakanyanya sekugadzira pamusoro, kuchenesa, kukuya, kupukuta simbi dzakasiyana-siyana, magirazi, rabha, uye maindasitiri eforoma.
3. Inogonawo kushandiswa sechinhu chinodzivisa kusimba kwechinhu.
Kana muine mibvunzo. Ndapota inzwa wakasununguka kutibata nesu.