
1) Kubbada dhoobada ah ee shiididda waa mid ka mid ah warbaahinta ugu fiican ee shiididda kubbadda, waxay ilaalin kartaa daahirnimada waxayna hagaajin kartaa xasilloonida walxaha la shiiday.
2) Kubbada shiididda alumina waxaa si weyn loogu isticmaalay warshadaha kubbadda sida warbaahinta xoqidda ee walxaha ceeriin ee dhoobada iyo walxaha dhalaalka ee warshadaha dhoobada, warshadaha sibidhka, warshadaha dhaldhalaalka iyo muraayadaha.
3) Astaamaha ugu muhiimsan waa cufnaanta sare, adkaanta iyo xoogga sare, iska caabbinta xirashada sare, xasilloonida kulaylka, iska caabbinta daxalka iyo wasakheynta la'aanta iwm.
4) Inta lagu jiro hababka xoqidda/shiididda, kubbadaha dhoobada ah lama jabin doono, ma wasakheyn doonaan agabka la shiidayo.
5) Nooca: Sida ku cad maaddada aluminium oksaydh: 60-70%, 65-75%, 95%.
| Faahfaahinta | 65 Kubbad Alumina ah | Kubadda Alumina 75 | Kubadda 90Alumina | Kubadda Alumina 92 | Kubadda Alumina 95 | 99 Kubbad Alumina ah |
| Al2O3(%) | ≥65 | ≥75 | ≥90 | ≥92 | ≥95 | ≥99 |
| Fe2O3(%) | ≤0.5 | ≤0.5 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 |
| Adkaanta Moh | 8 | 8~9 | 9 | 9 | 9 | 9 |
| Nuugista Biyaha (%) | ≤0.05 | ≤0.05 | ≤0.02 | ≤0.02 | ≤0.02 | ≤0.01 |
| Cufnaanta (g/cm3) | ≥2.95 | ≥3.25 | ≥3.55 | ≥3.60 | ≥3.65 | ≥3.8 |
| Xoogga Burburinta (MPa) | ≥1650 | ≥1700 | ≥1900 | ≥2000 | ≥2250 | ≥2500 |
| Lumista Abrasion (%) | ≤0.03 | ≤0.02 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
| Kubadaha Shiidida Alumina Sare | Kubadaha Shiidida Alumina Dhexdhexaadka ah | Kubadaha Shiidida Alumina ee Carbonized | |
| Midab | Caddaan | Caddaan | Madow dambas ah |
| Dildilaac | Ogolaansho la'aan | Ogolaansho la'aan | Ogolaansho la'aan |
| Nadaafad | Ogolaansho la'aan | Ogolaansho la'aan | Ogolaansho la'aan |
| Godka xumbo | Ka sarreeya ф1mm ogolaansho ma lahan, cabbirka ф0.5mm wuxuu u oggolaanayaa 3 kubbadood | ||
| Cilad | Cabbirka ugu badan ee ф0.3mm wuxuu u oggolaanayaa 3 kubbadood | ||