Magnesium Oxide  Molecular formula : MgO CAS:1309-4-8 HS code： Property: magnesium oxide is odorless, tasteless and nontoxic white powder. Usage: It is used in metallurgy, smelting, producing high class magnesia bricks, refractory materials and moisture preservation materials. It is also widely used in rubber, rubber sheet, rubber products, pharmaceutical industry, food industry, plastic board promoter, plasticizer for glass reinforced plastic, surficial coating for silicon steel sheets, paper making, steel ball polishing, leather treatment, insulation materials, grease, dyes, ceramics, drying agent, resin and fire retardant, etc. Packing：25kg/pp bag