HTS 3815.19.00 duty rate
Supported catalysts: Other. General duty Free; for goods of Chinese origin, general + Section 301 (+25%) comes to 25% before any other duties.
| Tariff line | 3815.19.00 |
|---|---|
| Description | Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included: › Supported catalysts: › Other |
| General rate | Free |
| Special rate (trade programs) | none listed |
| Column 2 rate | 25% |
| Units of quantity | kg |
| Section 301 (China) | List 3 +25% (6 product exclusions may apply) |
| Footnotes | See 9903.90.08. |
Section 301 China tariffs on this line
| Chapter 99 heading | List | Extra duty | Status |
|---|---|---|---|
| 9903.88.03 | List 3 | +25% | in effect |
Product exclusions
- 3815.19.00.00 (9903.88.69): Supported catalysts for polymerization (described in statistical reporting number 3815.19.0000) Until November 9, 2026.
- 3815.19.00.00 (9903.88.69): Supported catalysts of copper oxide or zinc oxide as the active ingredients for arsine removal (described in statistical reporting number 3815.19.0000) Until November 9, 2026.
- 3815.19.00.00 (9903.88.69): Supported catalysts with copper carbonate or zinc carbonate as the active ingredients for low temperature desulfurization (described in statistical reporting number 3815.19.0000) Until November 9, 2026.
- 3815.19.00.00 (9903.88.69): Supported catalysts with metal sulfide as the active substance for mercury removal (described in statistical reporting number 3815.19.0000) Until November 9, 2026.
- 3815.19.00.00 (9903.88.69): Supported catalysts with molybdenum compounds as the active substance for hydrogenation (described in statistical reporting number 3815.19.0000) Until November 9, 2026.
- 3815.19.00.00 (9903.88.69): Supported catalysts with zinc oxide as the active substance (described in statistical reporting number 3815.19.0000) Until November 9, 2026.
2026 US–China tariff reduction lists: The US–China reduction lists are not published yet. Dutyfinch checks the Federal Register every day and flags each code as soon as the list appears.
Get this line by API or MCP
curl https://dutyfinch.cybermax-tools.workers.dev/hts/3815.19.00Free: 50 lookups a day, no key. The same JSON powers this page. AI agents can call it as an MCP tool at https://dutyfinch.cybermax-tools.workers.dev/mcp.
Nearby tariff lines
3815.11.00 · 3815.12.00 · 3815.90.10 · 3815.90.20 · 3815.90.30 · 3815.90.50
← 3815.12.00 · 3815.90.10 → · Heading 3815 · Chapter 38 · Chapter 38 rate summary
General information from the official US Harmonized Tariff Schedule (USITC) and Federal Register; not legal or customs advice. Section 232, IEEPA, antidumping/countervailing and other duties can also apply. Confirm classification and rates with CBP or a licensed customs broker before you file.