HTS heading
3815Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included:
Rates as published in 2026 HTS Revision 15, captured 2026-08-13. Source: USITC Harmonized Tariff Schedule.
Current duty rates (7 lines)
| Code | Description | General | Special | Column 2 |
|---|---|---|---|---|
| 3815.11.00.00 | With nickel or nickel compounds as the active substance | Free | — | 25% |
| 3815.12.00 | With precious metal or precious metal compounds as the active substance | Free | — | 25% |
| 3815.19.00.00 | Other | Free | — | 25% |
| 3815.90.10.00 | Of bismuth, of tungsten or of vanadium | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% |
| 3815.90.20.00 | Of mercury or of molybdenum | 2.8% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 18% |
| 3815.90.30.00 | Other | Free | — | 25% |
| 3815.90.50.00 | Other | 5% | Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG) | 25% |
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