| 2818.10.00 | - Artificial corundum, whether or not chemically defined | |
| 2818.20.00 | - Aluminium oxide, other than artificial corundum | |
| 2818.30.00 | - Aluminium hydroxide |
| 2818.10.00 | - Artificial corundum, whether or not chemically defined | |
| 2818.20.00 | - Aluminium oxide, other than artificial corundum | |
| 2818.30.00 | - Aluminium hydroxide |