HTS heading
2529Feldspar; leucite, nepheline and nepheline syenite; fluorspar:
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 |
|---|---|---|---|---|
| 2529.10.00.00 | Feldspar | Free | — | 49¢/t |
| 2529.21.00.00 | Containing by weight 97 percent or less of calcium fluoride | Free | — | 13.5% |
| 2529.22.00.00 | Containing by weight more than 97 percent of calcium fluoride | Free | — | $5.51/t |
| 2529.30.00 | Leucite; nepheline and nepheline syenite | Free | — | Free |
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