Alumina yofiirira yosakanikirana imapangidwa ndi bauxite yapamwamba kwambiri ngati zinthu zopangira, anthracite ndi zinyalala zachitsulo. Imapangidwa ndi kusungunula arc pa kutentha kwa 2000°C kapena kupitirira apo. Imaphwanyidwa ndi kupangidwa pulasitiki ndi makina odzipukutira okha, osankhidwa ndi maginito kuti achotse chitsulo, osefedwa m'makulidwe osiyanasiyana, ndipo kapangidwe kake ndi kolimba komanso kolimba. Ma pellets ataliatali, ozungulira, oyenera kupanga ceramic, abrasive resin ndi kugaya, kupukuta, kuphulika kwa mchenga, kuponyera molondola, ndi zina zotero, angagwiritsidwenso ntchito popanga zinthu zotsutsana ndi kutentha kwambiri.
Mankhwala ndi Zinthu Zakuthupi | ||||||
| Zinthu | Al2O3 | Fe2O3 | SiO2 | Kuchuluka kwa zinthu zambiri | Mtundu | Kugwiritsa ntchito |
| Giredi Yoyamba | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Maroon | Zinthu zotsutsa mpweya, |
| Giredi II | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Tinthu takuda | kupukuta bwino |
| Giredi III | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Ufa wa imvi | Kupukuta, kugaya |
| Giredi IV | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Tinthu takuda | Kupera, kudula, kuphulitsa mchenga |
| Giredi V | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Ufa wa imvi | Kupukuta, kugaya |
Kukana kwambiri, Kukana kwambiri pansi pa katundu
Kukana bwino kwa slag ndi kukana dzimbiri
Kuchulukana kwambiri, kutsika kwa ma porosity Kukana kupukuta
Kukhazikika kwabwino kwa kutentha
Mphamvu yayikulu komanso kukana kuvala
Kukana bwino ku magwiridwe antchito a flake
Mphamvu yabwino yotentha
1. Alumina wofiirira wosakanikirana ndi woyenera kupanga zida zomangira zomangira za ceramic ndi resin, zomwe zimagwiritsidwa ntchito popera zitsulo zamphamvu kwambiri, monga chitsulo cha carbon, chitsulo chogwiritsidwa ntchito kwambiri, chitsulo chosungunuka ndi mkuwa wolimba etc.
2. Amagwiritsidwa ntchito kwambiri pokonza pamwamba, kutsuka, kupukuta, kupukuta zitsulo zosiyanasiyana, magalasi, labala, ndi mafakitale a nkhungu.
3. Ingagwiritsidwenso ntchito ngati zinthu zotsutsa.
Ngati muli ndi mafunso aliwonse. Chonde musazengereze kulankhulana nafe.