Covia

Founded in 1970, Unimin Corporation is one of the leading producers of industrial minerals in the world. It offers a range of application engineering and transportation services. The corporation provides technical advisory and research and development solutions. Unimin Corporation s products include silica sand, nepheline syenite, feldspar and ball clay materials. It also offers microcrystalline silica, kaolin, dolomite, magnetite and barium sulfate products. The corporation supplies raw materials for the glass, fiberglass, ceramic, semiconductor, quartz lighting, foundry, paint and coating, and oil and gas industries. In addition, Unimin Corporation serves clients in the plastic, rubber, paper, refractory, metallurgical and construction industries.