Kings International offers Black Iron Oxide, KI-425 graded. Kings International is an ISO 9001:2000 certified organization and is into the manufacturing, exporting and processing of Minerals and Chemicals etc. The Black Iron Oxide, KI-425 graded can be applied in Cement tiles, Paints, Mosaics, Cement colors, Terrazzo, coloring glass, in cathodes and Linoleum, in textile industry, and as a polishing compound.