
1) Kupera mpira wa ceramic ndi njira yabwino kwambiri yopera mpira, yomwe imatha kusunga chiyero ndikuwonjezera kukhazikika kwa zinthu zopera.
2) Mpira wopukusira alumina wakhala ukugwiritsidwa ntchito kwambiri m'mafakitale a mpira ngati zinthu zonyamulira zopangira ceramic ndi zinthu zopaka glaze m'mafakitale a ceramic, mafakitale a simenti, mafakitale a enamel ndi magalasi.
3) Zinthu zazikulu ndi kuchulukana kwambiri, kuuma kwambiri ndi mphamvu zambiri, kukana kuwonongeka kwambiri, kukhazikika kwa kutentha, kukana dzimbiri komanso kusaipitsa zinthu zina.
4) Pa nthawi yopukutira/kupukutira, mipira ya ceramic sidzasweka, sidzadetsa zinthu zomwe ziyenera kupukutidwa.
5) Mtundu: Malinga ndi zomwe zili mu aluminiyamu okusayidi: 60-70%, 65-75%, 95%.
| Kufotokozera | 65 Mpira wa Alumina | 75 Mpira wa Alumina | Mpira wa Alumina wa 90 | Mpira wa Aluminiyamu wa 92 | Mpira wa Alumina wa 95 | 99 Mpira wa Aluminiyamu |
| Al2O3(%) | ≥65 | ≥75 | ≥90 | ≥92 | ≥95 | ≥99 |
| Fe2O3(%) | ≤0.5 | ≤0.5 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 |
| Kuuma kwa Moh | 8 | 8~9 | 9 | 9 | 9 | 9 |
| Kulowetsedwa kwa Madzi (%) | ≤0.05 | ≤0.05 | ≤0.02 | ≤0.02 | ≤0.02 | ≤0.01 |
| Kuchulukana (g/cm3) | ≥2.95 | ≥3.25 | ≥3.55 | ≥3.60 | ≥3.65 | ≥3.8 |
| Mphamvu Yopondereza (MPa) | ≥1650 | ≥1700 | ≥1900 | ≥2000 | ≥2250 | ≥2500 |
| Kutaya kwa Kutupa (%) | ≤0.03 | ≤0.02 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
| Mipira Yopukutira Yaikulu ya Alumina | Mipira Yopukutira Alumina Yapakatikati | Mipira Yopera ya Alumina Yopangidwa ndi Kaboni | |
| Mtundu | Choyera | Choyera | Wakuda ngati phulusa |
| Mng'alu | Osati Chilolezo | Osati Chilolezo | Osati Chilolezo |
| Kusayera | Osati Chilolezo | Osati Chilolezo | Osati Chilolezo |
| Dzenje la thovu | Pamwamba pa ф1mm palibe chilolezo, kukula mu ф0.5mm kulola mipira itatu | ||
| Cholakwika | Kukula kwakukulu mu ф0.3mm kulola mipira itatu | ||