1.GOOD QUANLITY AND BEST PRICE ! 2.as intermediate substance of pharmaceutical products 3.used for magnesium salt ... 300o C, it decomposes into carbon dioxide and magnesium oxide. 2. Application: Mainly used as intermediate substance of pharmaceutical products, decomposer of ... element. For rubber industry, it is used as ancillary substance and filler; It can be used as adiabatic, heatproof, fire ...