Calcined Magnesium Oxide SpecificationMay 24,2019 CNMGO - CCM 92 Magnesium Oxide MgO 92% min Fe2O3 1.0% Max CaO 2.0% Max Al2O3 1.0% Max SiO2 4.0% Max LOI 2.5% Max Previous Happy Teachers' DayNext Magnesium Oxide Different Usages