Colors: Red, Yellow, Black, Brown, Orange, Green, etc. Synthetic Iron Oxide pigments (chemical formula: Fe2O3) is inorganic Pigment of fine particle size and great tint strength, excellent lightfastness, resistance to alkali, non-toxic and non-inflammable & produce very attractive shades of variegated colors. HONG HA's Iron Oxide Pigment is lightfastness; chemically stable & color controlled within narrowly defined parameters. This product can be used in Coatings (Decorative, Protective & Surface Coating), Concrete flooring, Primers & Paints, Building & Constructions, Terrazzo, Cement tiles, Rubber, Plastics, Inks, Colored Asphalt as well as many other applications requiring easily dispersed & cost effective. Inorganic Pigments for the sustainable coloration of construction materials. Iron Oxide has the following quality features: High Tinting Strength Clean Shades Good dispersion Weather Resistant Light Fast Acid Resistant Permanent Stable Color Brightness & Heat Stable