3810.90.20.00
Consisting wholly of inorganic substances
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: Other
Duty rates
Column 1 (General / MFN)
Free
Column 2 (Non-NTR)
25%
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
9903.03.01
The duty provided in the applicable subheading + 10%
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.02
The duty provided in the applicable subheading
Articles the product of any country that (1) were loaded onto a vessel at the port of loading and in transit on the final mode of transit prior to entry into the United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026
Effective from February 24, 2026 through July 24, 2026
9903.03.03
The duty provided in the applicable subheading
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.04
The duty provided in the applicable subheading
Articles the product of any country, as provided for in subdivision (aa)(iii) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.05
The duty provided in the applicable subheading
Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of any country, provided for in subdivision (aa)(iv) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.06
The duty provided in the applicable subheading
Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.07
The duty provided in the applicable subheading
Articles the product of Canada, as provided for in subdivision (aa)(vi) of U.S. note 2 to this subchapter
Applies to origin: CA
Effective from February 24, 2026 through July 24, 2026
9903.03.08
The duty provided in the applicable subheading
Articles the product of Mexico, as provided for in subdivision (aa)(vii) of U.S. note 2 to this subchapter
Applies to origin: MX
Effective from February 24, 2026 through July 24, 2026
9903.03.09
The duty provided in the applicable subheading
Articles of textiles or apparel the product of Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras or Nicaragua, as provided for in subdivision (aa)(viii) of U.S. note 2 to this subchapter
Applies to origin: CR, SV, GT, HN, NI, DO
Effective from February 24, 2026 through July 24, 2026
9903.03.10
The duty provided in the applicable subheading
Articles that are donations, by persons subject to the jurisdiction of the United States, such as food, clothing and medicine, intended to be used to relieve human suffering
Effective from February 24, 2026 through July 24, 2026
9903.03.11
The duty provided in the applicable subheading
Articles that are informational materials, including but not limited to publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks and news wire feeds
Applies to origin: IL
Effective from February 24, 2026 through July 24, 2026
9903.88.03
LIST_1
The duty provided in the applicable subheading + 25%
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Applies to origin: CN
Effective from August 23, 2018
Related CBP rulings
The tariff classification of Al-Flux 2805 (liquid) from Germany
The instant product is an aluminum brazing flux which is used to dissolve the aluminum oxide layer on surfaces to facilitate the joining of aluminum parts. You indicate that similar products were classified on previous entries of merchandis
The tariff classification of ALSURF® 90 from Japan
The subject product ALSURF® 90 is an inorganic solution consisting of water, aluminum fluoride, hydrogen fluoride and other unspecified additives. As stated in your letter, the product is a surface treatment agent used to create a pretreatm
Coastwise Transportation; 46 U.S.C. § 55103; 19 C.F.R. § 4.50(b)
You ask whether one individual may be transported on the non-coastwise-qualified MV SIRA (the “vessel”), from Port Canaveral, Florida, to New York, New York, on or about October 21, 2012 through on or about October 30, 2012. The individual
The tariff classification of Zinc Ammonium Chloride Hanwa Flux No. 3, from Japan
The instant product, Zinc Ammonium Chloride Hanwa Flux No. 3, will be imported by I. Matex, Inc., which you indicate is a related firm. It will be manufactured by Hanwa Industrial Ltd., in Japan. Your request letter indicates that the produ
Electronic Signature; Facsimile Copy; NAFTA Certificate of Origin CBP Form 434; 19 CFR 181.11(b), 19 CFR 181.22(b)
Electronic Signature; Facsimile Copy; NAFTA Certificate of Origin CBP Form 434; 19 CFR 181.11(b), 19 CFR 181.22(b)
The tariff classification of Braze Skin PN 500, PN 700, TN 700, and TN 200 from Germany.
The products are composed of a nickel alloy powder suspended in a solvent based binder system.
The tariff classification of Braze Skin PN 200 and TN 500 from Germany.
The products are composed of a nickel alloy powder suspended in a solvent based organic binder system.
The tariff classification of Braze Tec CTF 600 from Germany.
The product is composed of 75% copper alloy powder suspended in a thermoplastic polymer.
The tariff classification of Braze Tec CPO 600, CST 600, CSF 600, and CWT 600 from Germany.
The products are composed of 75% copper alloy powder suspended in a solvent based binder system.
The tariff classification of Braze Tec CSH 610 from Germany.
The product is composed of 75% copper alloy powder suspended in a binder with the addition of less than 3% flux.
The tariff classification of "Rustoff", "HAS 100", "HAS 400", and "HAS 600" from China.
The applicable subheading for “Rustoff”, which you have stated will be used to remove rust and is a mixture of sodium hydrosulfite, sodium meta bisulfite, sodium carbonate, and sodium chloride, will be 3810.10.0000, Harmonized Tariff Schedu
The tariff classification of a brazing rod stick and a welding rod stick from Russia.
The brazing rod stick consists of a three layer tube, 7 inches in length, and is filled with metallic powder capped with a wooden handle on one side and a sintered metal fuse on the other. The metallic powder is composed essentially of copp
Other codes in heading 3810
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 3810.90.20.00 from each major US trading partner.
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