Magnesia Products for Industrial,
Chemical and Environmental Applications

Martin Marietta Magnesia Specialties, LLC, a wholly-owned subsidiary of Martin Marietta Materials, Inc., provides a comprehensive range of magnesium oxide, chemically precipitated magnesium hydroxide, and dolomitic lime products.

Environmentally friendly and non-hazardous (by DOT standards), Martin Marietta Magnesia Specialties’ magnesia products are found in dozens of applications where formulation purity, consistency, and quality are needed.

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Lower Bleach Chemical Costs »

Learn how CellGuard® magnesium hydroxide reduces caustic soda, sodium silicate and magnesium sulfate usage and yields cost savings and process benefits over conventional pulp bleaching.

FloMag - the Alternative to
Rising Caustic Prices

Non-hazardous and safe to handle, FloMag® magnesium hydroxide slurry can improve your wastewater treatment process.

98% Pure Magnesium Oxide »

Martin Marietta Magnesia Specialties offers a variety of high purity magnesium oxide products, for use in diverse applications such as steel production, glass manufacture, agricultural, and rubber compounding.