HTS heading
2519Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure:
Rates as published in 2026 HTS Revision 15, captured 2026-08-13. Source: USITC Harmonized Tariff Schedule.
Current duty rates (4 lines)
| Code | Description | General | Special | Column 2 |
|---|---|---|---|---|
| 2519.10.00.00 | Natural magnesium carbonate (magnesite) | Free | — | $10.33/t |
| 2519.90.10.00 | Fused magnesia and dead-burned (sintered) magnesia | Free | — | 1.7¢/kg |
| 2519.90.20.00 | Caustic calcined magnesite | Free | — | $20.70/t |
| 2519.90.50.00 | Other | Free | — | 15.4¢/kg |
Get an email when 2519 changes
We diff the full schedule nightly. One code is free.
One code, free, no card. Unsubscribe from any email.
Rate change history
Change history is temporarily unavailable. This is a display problem on our side, not a statement that nothing changed.
Federal Register actions
Temporarily unavailable — not a statement that none exist.