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 isotopes2849284910284910Chapter 28Copy pageOf calciumDescriptionCarbides, whether or not chemically defined : Of calciumWas this page helpful?YesNoPrevious284700Hydrogen peroxide, whether or not solidified with ureaNextOf silicon284920