... , colorants,antirust function. Appearance: Red,Yellow,Blue,Brown,Black,Green PowderIron oxide itemRed130Red190Brown610Black780Yellow313BlueFe2O3/Fe3O4>%9695929386105C Moisture <%111111Water soluble salts <%0.30.30 ... ), Coating and Paint, Ink, Rubber, Plastic, etc.Applications of Iron Oxide :a) Constructionb) Paintsc) Ceramicsd) Glasse) Oil Drillingf) Brake Liningsg) Animal ...