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 isotopes2804280469280469Chapter 28Copy pageOtherDescriptionHydrogen, rare gases and other non-metals : Silicon : OtherWas this page helpful?YesNoPrevious280461Containing by weight not less than 99,99 % of siliconNextPhosphorus280470