Subheading 2818.20 · Section VI
2818.20
Aluminium oxide; other than artificial corundum
28 Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes
2818 Aluminium oxide (including artificial corundum); aluminium hydroxide
2818.20 Other than artificial corundum
Other subheadings under 2818