HTS heading 2518
Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape — 3 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 2518 | Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape + Ch. 99 | not stated | — |
| 2518.10.00.00 | Dolomite, not calcined or sintered + Ch. 99 | Free | t |
| 2518.20.00.00 | Calcined or sintered dolomite + Ch. 99 | 3% | t |
Additional duties may apply
3 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.