Valani za ceramic zosagwira zomwe zimapangidwa makamaka ndi 90% Al2O3 zomwe zimagwiritsidwa ntchito kwambiri padziko lapansi masiku ano.
Zogulitsa zathu zimapangidwa kuchokera ku ufa wosankhidwa bwino wa alumina wokhala ndi kukula kwa tinthu ting'onoting'ono ndi zinthu zochepa za CaO content.Wear zomangira zosagwira zitha kupangidwa kudzera mu makina osindikizira wamba kapena njira yosindikizira ya isostatic kenako ndikuyiyika pa kutentha kwambiri mu uvuni.Ndi zida zofunika zokutira pazida zobvala zapamwamba chifukwa cha miyeso yolondola, kachulukidwe kwambiri, zokhala ndi aluminiyamu wambiri, kusalala bwino komanso kukhazikika.