Martin Marietta Magnesia Specialties

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8140 Corporate Drive, Suite 220
Baltimore, MD 21236
About Martin Marietta Magnesia Specialties
  • Martin Marietta Magnesia Specialties is a leading supplier of magnesium oxide and magnesium hydroxide products for use in everyday materials such as plastic, rubber, pulp & paper, ceramics, sugar, animal feed, aluminum, tile, and motor oil.
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Products by Martin Marietta Magnesia Specialties
  • MagShield® Magnesium Hydroxide

    MagShield is a non-halogenated, high purity magnesium hydroxide powder for use as a flame retardant / smoke suppressant in the following plastic compounds: Thermoplastic olefins, wire and cable, molding, plastic fillers and plastic building materials. MagShield offers the following... Read more
  • MagChem Magnesium Oxide

    As a major manufacturer and worldwide supplier of MagChem magnesium oxide and magnesium hydroxide products, Martin Marietta delivers magnesia products for use in a wide range of industrial and specialty applications including steel, leather, ceramics, and rubber. Read more
  • Elastomag® Magnesium Oxide

    The key to successful rubber and plastics compounding is the accurate timing of activity – the property that regulates the rate at which magnesium oxide accepts by-products. Martin Marietta’s Elastomag magnesium oxide powders deliver the precise predictability needed in rubber manufacturing.... Read more