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Ziziphi iimpawu ze-magnesia alumina yezitena?

Ziziphi iimpawu ze izitena ze-alumina magnesia?

(1) Izitena ze-alumina ze-Magnesia zinokuchasana kakuhle nokupholisa ngokukhawuleza kunye nokufudumeza, kwaye ziyakwazi ukumelana nokupholisa kwamanzi ngamaxesha angama-20-25, okanye nangaphezulu.

(2) Ngenxa yomgangatho ophezulu wokunyibilika we-magnesia-aluminiyam spinel ngokwayo, amandla omgangatho ophezulu wesakhiwo sezitena ze-magnesia-aluminium aphuculwe xa kuthelekiswa naleyo yezitena ze-magnesia, ukuya kwi-1520 ~ 1580℃, okanye nangaphezulu.