... Uses1, Iron oxide red pigments in the various types of precast concrete products and construction materials as pigments or ... pigments for coloring plastics, such as thermosetting plastics and thermoplastic plastics, and rubber products, coloring, such as automobile inner ... and so on. In addition, iron oxide pigments can also be used for all kinds of cosmetics, paper, leather coloring. CAS NO.51274-00-1 ...