HTS heading 2818
Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide — 8 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 2818 | Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide + Ch. 99 | not stated | — |
| 2818.10 | Artificial corundum, whether or not chemically defined + Ch. 99 | not stated | — |
| 2818.10.10.00 | Crude + Ch. 99 | Free | t |
| 2818.10.20 | In grains, or ground, pulverized or refined + Ch. 99 | 1.3% | — |
| 2818.10.20.10 | White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide + Ch. 99 | 1.3% (inherited from 2818.10.20) | kg |
| 2818.10.20.90 | Other + Ch. 99 | 1.3% (inherited from 2818.10.20) | kg |
| 2818.20.00.00 | Aluminum oxide, other than artificial corundum + Ch. 99 | Free | kg |
| 2818.30.00.00 | Aluminum hydroxide + Ch. 99 | Free | kg |
2 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.
Additional duties may apply
8 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.