United States tariff line 3810.90.10.00: Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances
Last updated
Key facts
- Tariff line
- 3810.90.10.00
- Covers
- 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, containing 5 percent or more by weight of one or more aromatic or modified aromatic substances
- Duty (MFN)
- 6.5%
- Preferential rates
- From free (17 programmes or origins)
- Additional duties
- None recorded
- Restrictions
- None recorded
- Tariff
- United States
- HS subheading
- 3810.90
Summary
In the United States tariff, line 3810.90.10.00 covers 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, containing 5 percent or more by weight of one or more aromatic or modified aromatic substances. The general (MFN) duty rate is 6.5%. It falls under HS subheading 3810.90 in heading 38.10 (chapter 38).
What this line covers
In the United States tariff, line 3810.90.10.00 covers 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, containing 5 percent or more by weight of one or more aromatic or modified aromatic substances.
Its legal text is “Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances”, read under “Other”.
How it is structured
It falls under HS subheading 3810.90 in heading 38.10 (chapter 38). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.
- Chapter 38
- Miscellaneous chemical products
- Heading 38.10
- 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
- Subheading 3810.90
- Other
- Line 3810.90.10.00
- Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances
Duty
The general (MFN) duty rate is 6.5%.
Duty-free entry applies to goods that qualify under 16 programmes, and to goods from a group of origins (origin group A+).
| Preferential rate | Programme or origin |
|---|---|
| Free | a group of origins (origin group A+) (A+) |
| Free | United States-Australia Free Trade Agreement (AU) |
| Free | United States-Bahrain Free Trade Agreement Implementation Act (BH) |
| Free | United States-Chile Free Trade Agreement (CL) |
| Free | United States-Colombia Trade Promotion Agreement Implementation Act (CO) |
| Free | African Growth and Opportunity Act (D) |
| Free | Caribbean Basin Economic Recovery Act (E) |
| Free | United States-Israel Free Trade Area (IL) |
| Free | United States-Jordan Free Trade Area Implementation Act (JO) |
| Free | United States-Korea Free Trade Agreement Implementation Act (KR) |
| Free | United States-Morocco Free Trade Agreement Implementation Act (MA) |
| Free | United States-Oman Free Trade Agreement Implementation Act (OM) |
| Free | Dominican Republic-Central America-United States Free Trade Agreement (P) |
| Free | United States-Panama Trade Promotion Agreement Implementation Act (PA) |
| Free | United States-Peru Trade Promotion Agreement Implementation Act (PE) |
| Free | United States-Mexico-Canada Agreement (S) |
| Free | United States-Singapore Free Trade Agreement (SG) |
Other lines under 3810.90
- 3810.90.20.00Consisting wholly of inorganic substances
- 3810.90.50.00Other
In other countries
No other national tariff on border.bot has live lines under 3810.90 yet.
Frequently asked questions
What does tariff line 3810.90.10.00 cover in the United States tariff?
In the United States tariff, line 3810.90.10.00 covers 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, containing 5 percent or more by weight of one or more aromatic or modified aromatic substances.
What is the general (MFN) duty on 3810.90.10.00 in the United States?
The general (MFN) duty rate is 6.5%.
Which preferential rates apply to 3810.90.10.00?
Duty-free entry applies to goods that qualify under 16 programmes: the United States-Australia Free Trade Agreement, the United States-Bahrain Free Trade Agreement Implementation Act, the United States-Chile Free Trade Agreement, the United States-Colombia Trade Promotion Agreement Implementation Act, African Growth and Opportunity Act, Caribbean Basin Economic Recovery Act, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, the United States-Korea Free Trade Agreement Implementation Act, the United States-Morocco Free Trade Agreement Implementation Act, the United States-Oman Free Trade Agreement Implementation Act, the Dominican Republic-Central America-United States Free Trade Agreement, the United States-Panama Trade Promotion Agreement Implementation Act, the United States-Peru Trade Promotion Agreement Implementation Act, the United States-Mexico-Canada Agreement and the United States-Singapore Free Trade Agreement, and to goods from a group of origins (origin group A+).
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: