Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide:
| Subheading | Description | General | Special | Other |
|---|---|---|---|---|
| 2818.10 | Artificial corundum, whether or not chemically defined: | — | — | — |
| 2818.20 | Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide | — | — | — |
| 2818.30 | Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide | — | — | — |