... from Brucite ore. It is odorless, tasteless and non-toxic white powder. It is a cost effective source of chemical grade magnesium ... purities are available along with a choice of particle size. 85% magnesium oxide is the most cost effective grade whereas 95 ... feed, rubber, surface coating, paper making and smelting industries.Purity: 85%-99.5%Our products are produced from the ore of ...