
Mpira wa ceramic wosungiramo kutentha umapangidwa ndi alumina wa mafakitale ndi kaolin yokana ngati zinthu zazikulu zopangira. Wapangidwa mwasayansi, wopangidwa ndi mawonekedwe komanso wothira calcium pa kutentha kwambiri. Uli ndi makhalidwe abwino:
1) Mphamvu yayikulu yamakina komanso moyo wautali wautumiki;
2) Kukhazikika kwabwino kwa mankhwala, palibe mankhwala omwe amakhudzana ndi zinthu;
3) Kukana kutentha kwambiri, kutentha kwakukulu kokana kutentha kumatha kufika 1900℃.
| Chinthu | Mpira wosungiramo zinthu zoziziritsa kukhosi | Mpira wosungira kutentha |
| Al₂O₃ (%) | 20-30 | ≥65 |
| SiO₃+Al₂O₃(%) | ≥90 | |
| Fe₂O₃(%) | ≤1 | ≤1.6 |
| Kukula (mm) | 10-20/20-40 | 16-18/20-25 |
| Kutentha mphamvu (J/kg.k) | ≥836 | ≥1000 |
| Kutentha kwa ma conductivity (w/mk) | 2.6-2.9 | 2-4 |
| Kukana kutentha kwa mantha (℃) | 800 | 1000 |
| Kusakhazikika kwa mpweya (℃) | 1550 | 1750 |
| Kutaya kwa m'mimba (%) | ≤0.1 | |
| Kuuma kwa Mohs (scal) | ≥6.5 | |
| Kuphwanya mphamvu (N) | 800-6000 | 1800-3800 |
| Kuchuluka kwa zinthu (kg/m3) | 1300-1400 | 1500-1600 |