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 10 Artificial corundum, whether or not chemically defined 28 18 10 00 Artificial corundum, whether or not chemically defined Commodity Code Description 28 18 10 00 000 Artificial corundum, whether or not chemically defined
