Heading 3810: Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for…
Every line of heading 3810 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.
Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes consisting of metal and other materials; preparations of a kind used as cores or coatings for welding electrodes or rods
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 |
|---|---|---|
| 3810.10.00.00 | Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials | 5% |
| 3810.90 | Other: | |
| 3810.90.10.00 | Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances | 6.5% |
| 3810.90.20.00 | Consisting wholly of inorganic substances | Free |
| 3810.90.50.00 | Other | 5% |
Public records · unclaimed listings
U.S. manufacturers in this industry, from public records
These companies are not Fromerica members and did not write these listings: Fromerica created them from public government records and has not verified what the records say. You cannot contact them from here. Open a listing to see what the record says.
- AZURE WATER SERVICES, LLC
- CARRUBBA, INCORPORATED
- DEXSIL CORPORATION
- HUBBARD-HALL INC.
- MICROCARE, LLC
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And 1 more in the public records. See all →
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 3810 has 2 of them. Schedule B lookup →
- 3810.10.0000PICKLING PREPARATION FOR METAL SURFACES, SOLDERING, BRAZING OR WELDING POWDERS AND PASTES CONSISTING OF METAL AND OTHER MATERIALS
- 3810.90.0000FLUXES AND OTHER AUXILIARY PREPARATIONS FOR SOLDERING, BRAZING OR WELDING, 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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