Company record
Martin Marietta Magnesia Specialties, LLC supplies a broad portfolio of magnesia‑based materials that serve industrial, environmental and agricultural markets. The company produces chemical‑grade and specialty‑grade magnesium oxide for applications such as leather tanning, niche rubber and plastics formulations, electrical heating elements, foundry operations, aluminum processing, lubricant oil additives, chemical intermediates and steel‑based ceramics. In the environmental sector, its products are formulated for water and wastewater treatment systems. Additionally, magnesium hydroxide manufactured by Martin Marietta is employed as a flame retardant and smoke suppressant, while customized magnesia grades are offered to meet the specific needs of the rubber and plastics industries.
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