... Oxide RedPigment, colorants,antirust function. Appearance: Red,Yellow,Blue,Brown,Black,Green PowderIron oxide itemRed130Red190Brown610Black780Yellow313BlueFe2O3/Fe3O4>%9695929386105C Moisture <%111111Water soluble salts ... .84.5-5.04.0-4.3AppearanceRed,Yellow,Blue,Brown,Black,Green PowderPacking25kg net bag, 23MT in 20'FCLUsageConstruction (ceramics), Coating ...