Aluminom oxide bụ ihe na-adịghị n'ime ihe nwere usoro kemịkalụ A1203, ihe mejupụtara siri ike nke ukwuu nwere ebe agbaze nke 2054°C na ebe esi mmiri nke 2980°C. Ọ bụ kristal ionic nke enwere ike ijiionizedn'okpomọkụ dị elu ma a na-ejikarị ya eme ihe n'ịmepụta ihe ndị na-anaghị emegharị ahụ. Alumina na alumina ejiri calcined mee nwere otu ihe ahụ, mana n'ihi ụfọdụ ụzọ mmepụta na ọdịiche usoro ndị ọzọ, nke mere na ha abụọ dị n'iji arụmọrụ eme ihe, yabụ enwere ụfọdụ ọdịiche.
Alumina bụ isi ihe dị n'ime aluminom n'okike, a ga-egwepịa ya ma tinye ya na mmiri sodium hydroxide dị elu iji nweta mmiri sodium alumina; yochaa ya iji wepụ ihe fọdụrụ, mee ka nzacha ahụ dị jụụ ma tinye kristal aluminum hydroxide, mgbe ogologo oge gasịrị, mmiri sodium alumina ga-ere ere ma kpalite aluminum hydroxide; kewapụ mmiri ahụ ma saa ya, wee kpoo ya na 950-1200°C iji nweta ntụ alumina ụdị c, calcined Alumina bụ ụdị c alumina. Isi mmiri na-agbaze na mmiri na-esi dị elu nke ukwuu.
Alumina alumina a naghị agbaze na mmiri na asịd, nke a makwaara dị ka aluminum oxide n'ụlọ ọrụ mmepụta ihe, ọ bụkwa ihe bụ isi maka mmepụta ígwè aluminom; enwere ike iji ya na mmepụta nke brik dị iche iche na-adịghị agbaze, ihe mkpuchi refractory, tubes na-adịghị agbaze na ngwa ụlọ nyocha na-eguzogide okpomọkụ dị elu; enwere ike iji ya dị ka ihe na-eme ka ọ ghara ịgbaze, ihe na-egbochi ire ọkụ na ihe na-ejupụta; alumina alumina alumina a na-eji eme ihe dị ọcha bụkwa ihe eji eme ihe maka mmepụta nke corundum arụrụ arụ, nkume ukwu uhie na nkume ukwu anụnụ anụnụ; a na-ejikwa ya maka mmepụta nke ihe ndị e ji osisi rụọ maka sekit agbakwunyere nke oge a. Alumina a ...