... high temperatures to become ferric oxide (iron red).Uses1, Iron oxide red pigments in the various types of precast concrete ... , terrazzo, mosaic tiles, artificial marble. 2, Iron oxide red pigments for coloring a variety of coatings and the protection of ... paint, electrophoresis paint and enamel. 3, Iron oxide red pigments for coloring plastics, such as thermosetting plastics and thermoplastic ...