Martin Marietta Magnesia Specialties provides high purity, light burned magnesium oxide for use in metallurgical mining.


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MagChem® 40 light burned magnesium oxide is uniform in its reactivity and particle size, which provides a higher recovery of valuable metals such as cobalt, nickel, copper and platinum. MagChem® 40 can increase the precipitate grade and yield of the metal, which results in superior performance over naturally-occurring, mined magnesia products, which are lower in purity and reactivity.

FloMag® H magnesium hydroxide slurry is available for North American metallurgical applications.

Technical Data Sheets

FloMag® H

MagChem® 40

MagChem® MH 10

Common Applications

  • Cobalt, nickel, copper and platinum hydrometallurgy

For more information regarding your application or to place an order, please call 800-648-7400 (inside the U.S.) or +1-410-780-5500. Or, Contact Us with your questions.