Aluminum oxide wani abu ne wanda ba a iya gani ba tare da dabarar sinadarai A1203, fili mai wuyar gaske tare da wurin narkewar 2054°C da wurin tafasa na 2980°C.Ionic crystal ne wanda zai iya zamaionizeda yanayin zafi mai girma kuma ana amfani da shi sosai wajen kera kayan da ke hana ruwa gudu.Calcined alumina da alumina duk sun ƙunshi abu ɗaya, amma saboda wasu hanyoyin samarwa da sauran bambance-bambancen tsari, ta yadda biyun a cikin amfani da aikin don haka za a sami bambance-bambance.
Alumina shine babban ma'adinai na aluminium a cikin yanayi, za a murƙushe shi kuma a yi masa ciki tare da babban zafin jiki na sodium hydroxide don samun maganin sodium alumina;tace don cire ragowar, kwantar da tacewa kuma ƙara lu'ulu'u na aluminum hydroxide, bayan lokaci mai tsawo yana motsawa, maganin sodium alumina zai rushe kuma ya haifar da aluminum hydroxide;A ware ruwan da aka hado a wanke, sannan a yanka shi a 950-1200 ° C don samun c-type alumina foda, Calcined Alumina shine nau'in alumina.Abubuwan narkewa da tafasa suna da girma sosai.
Calcined alumina ba shi da narkewa a cikin ruwa da acid, wanda kuma aka sani da aluminum oxide a masana'antu, kuma shine ainihin albarkatun kasa don samar da ƙarfe na aluminum;Hakanan za'a iya amfani dashi wajen samar da bulogi daban-daban, ƙwanƙwasa ƙwanƙwasa, bututu masu jujjuyawar zafi da kayan aikin dakin gwaje-gwaje masu tsayi;Hakanan za'a iya amfani dashi azaman abrasive, retardant na harshen wuta da filler;high tsarki calcined alumina ne kuma albarkatun kasa don samar da wucin gadi corundum, wucin gadi ja master dutse da blue master dutse;Hakanan ana amfani da shi don samar da kayan aikin allo don manyan hanyoyin haɗin gwiwar zamani.Calcined alumina da alumina a cikin tsarin samarwa da sauran fannoni suna cikin ɗan bambanci kaɗan, yankunan masana'antu masu dacewa kuma sun bambanta, don haka a cikin siyan samfuran kafin na farko don gano takamaiman wuraren amfani.