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 of isotopes 28 18 Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide 28 18 10 Artificial corundum, whether or not chemically defined Commodity Code Description 28 18 10 00 Artificial corundum, whether or not chemically defined
