HTS heading 3815: Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included
Heading 3815 of the US Harmonized Tariff Schedule covers Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 3815 at a glance
- 7 rated tariff lines; 4 duty-free at the general (MFN) rate.
- Ad valorem general rates from 2.8% to 6.5%.
- Section 301 (products of China): 7 of 7 lines on a list in effect (List 3).
- 7 Section 301 product exclusions in effect for heading 3815; each is listed on its line page with its end date.
Goods named in this heading (official line texts): With nickel or nickel compounds as the active substance, With precious metal or precious metal compounds as the active substance, Of bismuth, of tungsten or of vanadium, Of mercury or of molybdenum.
Subheadings (6-digit)
- 3815.11: Supported catalysts (1 line)
- 3815.12: Supported catalysts (1 line)
- 3815.19: Supported catalysts (1 line)
- 3815.90: Consisting wholly of inorganic substances (4 lines)
All tariff lines in heading 3815
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 3815.11.00 | With nickel or nickel compounds as the active substance | Free | List 3 +25% (1 product exclusion may apply) | 1 |
| 3815.12.00 | With precious metal or precious metal compounds as the active substance | Free | List 3 +25% | |
| 3815.19.00 | Supported catalysts: Other | Free | List 3 +25% (6 product exclusions may apply) | 6 |
| 3815.90.10 | Of bismuth, of tungsten or of vanadium | 6.5% | List 3 +25% | |
| 3815.90.20 | Consisting wholly of inorganic substances: Of mercury or of molybdenum | 2.8% | List 3 +25% | |
| 3815.90.30 | Consisting wholly of inorganic substances: Other | Free | List 3 +25% | |
| 3815.90.50 | Other: Other | 5% | List 3 +25% |
All of chapter 38 · Chapter 38 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
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