... material,environmental,feed and pharmaceutical 1.Specification of Light Magnesium Oxide 65% ITEM RESULTPURITY (MgO) 60.00% - 65.00 ... Other Materials 23.0 co%2.Main Application:Light magnesium oxide is mainly used for preparation of ceramics, enamel, refractory ... plastic, wire, cable dyes, paints, glass, chemicals, pharmaceuticals and so on . 3.Our main markets : Indonesia, the United States, Brazil, ...