HTS 3815
Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included
| Code | Description | Unit | General | Special | Column 2 | Source |
|---|---|---|---|---|---|---|
| Supported catalysts | ||||||
| 3815.11.00.00 | With nickel or nickel compounds as the active substance | kg | Free | 25% | USITC | |
| 3815.12.00 | With precious metal or precious metal compounds as the active substance | Free | 25% | USITC | ||
| 3815.12.00.10 | With platinum group metals as the active substance | kg | Free | 25% | USITC | |
| 3815.12.00.90 | Other | kg | Free | 25% | USITC | |
| 3815.19.00.00 | Other | kg | Free | 25% | USITC | |
| 3815.90 | Other | USITC | ||||
| Consisting wholly of inorganic substances | ||||||
| 3815.90.10.00 | Of bismuth, of tungsten or of vanadium | kg | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | USITC |
| 3815.90.20.00 | Of mercury or of molybdenum | kg | 2.8% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 18% | USITC |
| 3815.90.30.00 | Other | kg | Free | 25% | USITC | |
| 3815.90.50.00 | Other | kg | 5% | Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG) | 25% | USITC |
The table scrolls sideways.
Source: USITC, Harmonized Tariff Schedule of the United States – 2026 HTS Revision 20, effective 28 September 2026. Heading 3815 at USITC
Not shown: the additional duties of Chapter 99 (such as Section 301 and Section 232), anti-dumping and countervailing duties, quotas and the legal notes.
This page is general information, not legal advice and not a classification decision. Tariff texts and rates change: check the publisher's current schedule, and ask the customs authority for a binding ruling where the answer matters.