Magnesium oxide tuaj yeem xaiv tau ntxiv rau cov qauv los kho cov coefficient ntawm kev sib txhuam mus rau qib uas xav tau, thiab nws cov khoom siv thermal muab kev ruaj ntseg zoo thiab tso cai rau cov cua sov hloov ntawm qhov chaw sib txhuam.Tsis tas li ntawd xwb, lub siab refractory zog ntawm magnesia muab muaj zog tiv thaiv kom muaj kev sib txhuam kub thaum tuav tuav.Tsis tas li ntawd, qhov nruab nrab hardness ntawm magnesium oxide tiv thaiv hnav ntawm cov khoom tiv thaiv hlau.