Section 06 Products of the chemical or allied industries 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare - earth metals, of radioactive elements or isotopes 28 18 Artificial corundum; aluminium hydroxide; aluminium hydroxides 28 18 20 Aluminium oxide, other than artificial corundum 28 18 20 00 Aluminium oxide, other than artificial corundum Commodity Code Description 28 18 20 00 000 Aluminium oxide, other than artificial corundum
