Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED 28 Inorganic chemicals;organic or inorganic compounds of precious metals, ofrare-earth, of radioactive elements or of isotopes 28 21 IRON OXIDES AND HYDROXIDES; EARTH COLOURS WITH >=70% IRON(III)OXIDE Commodity Code Description 28 21 10 Iron oxides and hydroxides 28 21 20 Earth colours