Heading 3815: Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere…
Every line of heading 3815 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included
Chapter 38: Miscellaneous chemical products. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 3815.11.00.00 | With nickel or nickel compounds as the active substance | Free |
| 3815.12.00 | With precious metal or precious metal compounds as the active substance | Free |
| 3815.12.00.10 | With platinum group metals as the active substance | |
| 3815.12.00.90 | Other | |
| 3815.19.00.00 | Other | Free |
| 3815.90 | Other: | |
| 3815.90.10.00 | Of bismuth, of tungsten or of vanadium | 6.5% |
| 3815.90.20.00 | Of mercury or of molybdenum | 2.8% |
| 3815.90.30.00 | Other | Free |
| 3815.90.50.00 | Other | 5% |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 3815 has 5 of them. Schedule B lookup →
- 3815.11.0000SUPPORTED CATALYSTS: WITH NICKEL OR NICKEL COMPOUNDS AS THE ACTIVE SUBSTANCE
- 3815.12.0010SUPPORTED CATALYSTS: WITH PLATINUM GROUP METALS AS THE ACTIVE SUBSTANCE
- 3815.12.0090SUPPORTED CATALYSTS: WITH PRECIOUS METAL OR PRECIOUS METAL COMPOUNDS AS THE ACTIVE SUBSTANCE, NESOI
- 3815.19.0000SUPPORTED CATALYSTS, NESOI
- 3815.90.0000REACTION INITIATORS, REACTION ACCELERATORS AND CATALYTIC PREPARATIONS, NESOI
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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