HS CodesVI · Products of the chemical or allied industries28 · Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes2821282120282120Chapter 28Copy pageEarth coloursDescriptionIron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3 : Earth coloursWas this page helpful?YesNoPrevious282110Iron oxides and hydroxidesNextCobalt oxides and hydroxides; commercial cobalt oxides282200