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 isotopes28492849Chapter 28Copy pageCarbides, whether or not chemically definedDescriptionCarbides, whether or not chemically definedSubheadings284910Of calcium284920Of silicon284990OtherWas this page helpful?YesNoPrevious2847Hydrogen peroxide, whether or not solidified with ureaNextHydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28492850