... % min 2. Application.1.Magnesium chloride is an important material of producing light building materials such as glass ... to produce high-quality magnesium-watt, high-quality fireproof board, magnesium system, packing, magnesium system, decorative board, light wall, abrasive, stoves, ... material. It is used in the production of magnesium carbonate, magnesium hydrate and magnesia, also it is used as ...