HTS heading
3813
Rates as published in 2026 HTS Revision 15, captured 2026-08-13. Source: USITC Harmonized Tariff Schedule.
Current duty rates (2 lines)
| Code | Description | General | Special | Column 2 |
|---|---|---|---|---|
| 3813.00.10.00 | Consisting wholly of inorganic substances | Free | — | 25% |
| 3813.00.50.00 | Other | 3.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% |
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