Magnesium oxide e ka kenyelletsoa ka boikhethelo ho sebopeho ho lokisa coefficient ea khohlano ho ea boemong bo lakatsehang, 'me thepa ea eona ea mocheso e fana ka botsitso bo botle le ho lumella ho fetisoa ha mocheso ho tloha libakeng tsa ho kopana ha likhohlano.Eseng seo feela, thepa e phahameng ea magnesia e fana ka khanyetso e matla ho mocheso o phahameng oa likhohlano ha o ntse o ts'oara.Ho phaella moo, boima bo itekanetseng ba magnesium oxide bo thibela ho roala ha thepa khahlanong le tšepe.