Izitena ze-Silicon-magnesia luhlobo olukhethekileyo lwezinto eziguqukayo ikakhulu zenziwe nge-silicon dioxide (i-SiO2) kunye ne-magnesium. i-oxide (MgO).. Ezi zinto zinika izitena ngozinzo olukhulu kunye nokumelana nokothuko olushushu, ukwenza kufanelekile kwizicelo zobushushu obuphezulu ezinje ngee-kilns, iziko, kunye neeveni zeshishini. Indibaniselwano ekhethekileyo ye-silica kunye ne-magnesia hayi kuphela enh