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 isotopes28202820Chapter 28Copy pageManganese oxidesDescriptionManganese oxidesSubheadings282010Manganese dioxide282090OtherWas this page helpful?YesNoPrevious2819Chromium oxides and hydroxidesNextIron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O32821