INNOV MATERIAL CORPORATION LTD （I.M.C for short) offers Brucite (Magnesium Hydroxide) for different industrial applications. About us Brucite ore, Brucite is natural magnesium hydroxide Mg(OH)2 in the mineral form. It has the highest content of magnesium among all industrial minerals. We offer brucite ore of four grades with various fractions, applicable in: - Metallurgical magnesium flux for steel making - Natural magnesium hydroxide powder for: Flame retardants, Water treatment reagents, Magnesium additives for fertilizers, etc.