Section 06 Products of the chemical or allied industries 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare - earth metals, of radioactive elements or isotopes 28 21 Iron oxides and hydroxides; earth colours with >=70% iron(iii)oxide 28 21 20 Earth colours 28 21 20 00 Earth colours Commodity Code Description 28 21 20 00 000 Earth colours
