Home - Imerys USA Imerys USA Imerys USA Imerys USA supplies a broad portfolio of mineral based specialty materials including kaolin, calcium carbonate, talc, mica, perlite, diatomite and refractory minerals for use in coatings, construction materials, ceramics, plastics, rubber, filtration and industrial manufacturing applications. These materials are engineered to deliver controlled particle size, purity, performance and process reliability across demanding formulation environments. Visit Website