magnesium oxide Constantly excellent quality Competitive price Guaranteed delivery Free sample Good service Fused magnesia is of complete structure, good stability, high temperature resistance. It is widely used in metallurgy, building materials, chemical industry, national defence, etc.NAME: FUSED MAGNESIA (magnesium oxide) GradeMgO(min.)SiO2(max.)CaO(max.)Fe2O3(max.)Al2O3(max.)L.O.I.(typical)B. ...