Heading 3824 · Prepared binders for foundry molds or cores; chemical products and preparations…
3824.99
Prepared binders for foundry molds or cores; chemical… — Other:
Official notices
Actions of the President, the USTR or U.S. Customs and Border Protection (CBP) that name this code.
- Jul 23, 2026 · The White House Actions by the United States in the Investigations Under Section 301 of the Trade Act of 1974 of the Acts, Policies, and Practices of 60 Economies Related to the Failure of Each Economy To Impose and Effectively Enforce a Prohibition on the Importation of Goods Produced With Forced Labor
- Jul 20, 2026 · The White House Imposing Additional Duties To Offset Canadian Discrimination Against the Commerce of the United States With Respect to Motor Vehicles
- Jul 20, 2026 · The White House Action by the United States in the Investigation Under Section 301 of the Trade Act of 1974 of Brazil's Acts, Policies, and Practices Related to Digital Trade and Electronic Payment Services; Unfair, Preferential Tariffs; Anti-Corruption Enforcement; Intellectual Property Protection; Ethanol Market Access; and Illegal Deforestation
- Jun 1, 2026 · The White House Further Adjusting the Tariff Regimes for Imports of Aluminum, Steel, and Copper Into the United States
- Feb 20, 2026 · The White House Imposing a Temporary Import Surcharge To Address Fundamental International Payments Problems
- Dec 18, 2025 · USTR Implementing Certain Tariff-Related Elements of the Framework for a United States-Switzerland-Liechtenstein Agreement on Fair, Balanced, and Reciprocal Trade
- Nov 14, 2025 · The White House Modifying the Scope of the Reciprocal Tariffs With Respect to Certain Agricultural Products
- Sep 25, 2025 · USTR Implementing Certain Tariff-Related Elements of the U.S.-EU Framework on an Agreement on Reciprocal, Fair, and Balanced Trade
- Sep 5, 2025 · The White House Modifying the Scope of Reciprocal Tariffs and Establishing Procedures for Implementing Trade and Security Agreements
- Aug 19, 2025 · Commerce Adoption and Procedures of the Section 232 Steel and Aluminum Tariff Inclusions Process
Mentioned in Chapter 99
The parts of Chapter 99, in the 2026 HTS Revision 22, that list HTS 3824.99, a broader code that includes it, or a narrower code within it.
| U.S. note | Excerpt | Headings that refer to it |
|---|---|---|
| U.S. note 2(aa)(ii) | (ii) As provided in heading 9903.03.03, the additional duty imposed by heading 9903.03.01 shall not apply to articles the product of any country that are classifiable in the following subheadings of the HTSUS: [Compiler's note: List may… | 9903.03.01, 9903.03.03 |
| U.S. note 2(v)(iii)(a) | (a) As provided for in heading 9903.01.32, the additional duties imposed by headings 9903.01.25, 9903.01.35, 9903.01.39, 9903.01.63, 9903.02.01–9903.02.73, 9903.02.79–9903.02.80, 9903.02.82–9903.02.83, and 9903.02.87–9903.02.88 shall not… | 9903.01.25, 9903.01.32, 9903.01.43, 9903.01.44, 9903.01.45, 9903.01.46 and 107 more |
| U.S. note 2(v)(xxiii) | (xxiii) As provided in heading 9903.02.77, the additional duties imposed by headings 9903.02.19 and 9903.02.20 shall not apply to articles the product of the European Union that are not patented in the United States for use in… | 9903.01.25, 9903.01.43, 9903.01.44, 9903.01.45, 9903.01.46, 9903.01.47 and 106 more |
| U.S. note 2(v)(xxv)(d) | (d) As provided in headings 9903.02.86 and 9903.02.91, the additional duties imposed by headings 9903.02.82–9903.02.83 and 9903.02.87–9903.02.88 shall not apply to articles the product of Switzerland or Liechtenstein, respectively, that… | 9903.01.25, 9903.01.43, 9903.01.44, 9903.01.45, 9903.01.46, 9903.01.47 and 107 more |
| U.S. note 19(k) | (k) The rates of duty in heading 9903.85.08 apply to all entries of derivative aluminum products classifiable in the following HTSUS provisions, unless the derivative aluminum product was processed in another country from aluminum articles… | 9903.85.68 |
| U.S. note 19(s) | (s) The rates of duty set forth in heading 9903.85.15 apply to all entries of derivative aluminum products of the United Kingdom classifiable in the following provisions of the HTSUS, unless the derivative aluminum product was processed in… | — |
| U.S. note 20(aaa)(33) | (33) Silicon monoxide (SiO) (CAS No. 10097-28-6) in powder form (described in statistical reporting number | 9903.88.48 |
| U.S. note 20(aaa)(81) | (81) Mixtures containing N,Ndimethyldodecan-1-amine (CAS No. 112–18–5) and N,N-dimethyltetradecan-1-amine (CAS No. 112–75–4) (described in statistical reporting number | 9903.88.48 |
| U.S. note 20(f) | (f) Heading 9903.88.03 applies to all products of China that are classified in the following 8-digit subheadings, except products of China granted an exclusion by the U.S. Trade Representative and provided for in (1) heading 9903.88.13 and… | 9903.88.03, 9903.88.09 |
| U.S. note 20(iii)(57) | (57) Mixtures containing N,Ndimethyldodecan-1-amine (CAS No. 112–18–5) and N,N-dimethyltetradecan-1-amine (CAS No. 112–75–4) (described in statistical reporting number | 9903.88.56 |
| U.S. note 20(iii)(58) | (58) Silicon monoxide (SiO) (CAS No. 10097-28-6) in powder form (described in statistical reporting number | 9903.88.56 |
| U.S. note 20(qqq)(19) | (19) Mixtures containing 2-(dimethylamino)ethanol (CAS No. 108-01-0) (described in statistical reporting number | 9903.88.64 |
| U.S. note 20(qqq)(20) | (20) Silicon monoxide (SiO) (CAS No. 10097-28-6) in powder form (described in statistical reporting number | 9903.88.64 |
| U.S. note 20(s)(i) | (i) all products of China that are classified in the following 8-digit subheadings: [ Compiler's note: numbers in this table read from left to right] | 9903.88.15 |
| U.S. note 20(sss)(14) | (14) Anesthetic instruments and appliances suitable for use in medical or surgical sciences, and parts and accessories of the foregoing (described in statistical reporting number | 9903.88.66 |
| U.S. note 20(sss)(15) | (15) Electrosurgical cautery pencils with electrical connectors (described in statistical reporting number | 9903.88.66 |
| U.S. note 20(ttt)(89)(ii)(34)(iii)(41) | (41) Mixtures containing N,Ndimethyldodecan-1-amine (CAS No. 112-18-5) and N,N-dimethyltetradecan-1-amine (CAS No. 112-75-4) (described in statistical reporting number | 9903.88.67 |
| U.S. note 20(uuu)(12) | (12) Otoscopes (described in statistical reporting number | 9903.88.68 |
| U.S. note 20(uuu)(13) | (13) Anesthesia masks (described in statistical reporting number | 9903.88.68 |
| U.S. note 20(w)(1) | (1) Chabazite zeolites having a silica-alumina ratio of 20:1 to 24:1, valued at $31 to $39 per kg (described in statistical reporting number | 9903.88.18 |
| U.S. note 20(xx)(13) | (13) Mixtures containing 2-(dimethylamino)ethanol (CAS No. 108-01-0) (described in statistical reporting number | 9903.88.45 |
| U.S. note 30(b) | (b) Heading 9903.90.08 applies to all products of the Russian Federation that are classified in the following 8-digit subheadings: [ Compiler's note : List may appear or continue on a subsequent page; blank cells reflect proclaimed… | 9903.90.08 |
| U.S. note 50(a)(v) | (v) As provided in heading 9903.05.06, the additional duty imposed by heading 9903.05.01 shall not apply to articles the product of Brazil for use in pharmaceutical applications, and that are classifiable in the following provisions of the… | 9903.05.01, 9903.05.06 |
| U.S. note 51(b)(3) | (3) Heading 9903.03.14 applies to articles classifiable in the following provisions of the tariff schedule: [Compiler's note: List may appear or continue on a subsequent page; read numbers from left to right.] | 9903.03.14 |
| U.S. note 52(e) | (e) As provided in heading 9903.05.89, the additional duties imposed by headings 9903.05.20–9903.05.84 shall not apply to articles that are for use in pharmaceutical applications and that are classifiable in the following provisions of the… | 9903.05.20, 9903.05.21, 9903.05.22, 9903.05.23, 9903.05.24, 9903.05.25 and 60 more |
Being listed is not owing a duty. A note may list goods that a measure leaves out; whether a heading applies depends on the origin, the date and the product; and the measures on all the goods of a country list no code at all. The calculator says what applies.
In the tariff
- 3824Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included
- Other
- 3824.99Other
- Cultured crystals (other than optical elements of chapter 90), weighing not less than 2.5 g each
- 3824.99.11.00In the form of ingotsFree
- 3824.99.19.00Other6.5%
- Other
- Mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances
- 3824.99.21.00Consisting wholly of substances found naturally in coal tar, whether obtained from coal tar or other sourceFree
- 3824.99.25.00Aqueous mixtures of triphenyl sulfonium chloride, diphenyl (4-phenylthio)phenyl sulfonium chloride and (thiodi-4,1- phenylene)bis(diphenyl sulfonium) dichloride6.5%
- 3824.99.26.00Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)- phenyl]methylene]-1H-indene;Mixtures of dimethyl phthalate, t-butanol, hydrogen peroxide, and sodium salicylate; andMixtures containing derivatives of N-[4-(2- hydroxy-3-phenoxypropoxy)phenyl]- acetamideFree
- 3824.99.29.00Other6.5%
- Mixtures of two or more inorganic compounds
- 3824.99.31.00Of bismuth6.5%
- 3824.99.32.00Of hydrosulfite compounds, of sulfoxylate compounds, or of both6.5%
- 3824.99.33.00Of mercury4.2%
- 3824.99.34.00Of molybdenum2.8%
- 3824.99.35.00Of tungsten6.5%
- 3824.99.36.00Of vanadium6.5%
- 3824.99.39OtherFree
- 3824.99.39.10Of lithium nickel cobalt manganese oxides
- 3824.99.39.90Other
- 3824.99.41Fatty substances of animal or vegetable origin and mixtures thereof4.6%
- 3824.99.41.40Mixtures of fatty acid esters
- 3824.99.41.90Other
- Other
- 3824.99.49.00Mixtures that are in whole or in part of hydrocarbons derived in whole or in part from petroleum, shale oil or natural gas6.5%
- Mixtures of halogenated hydrocarbons
- 3824.99.50.00Chlorinated but not otherwise halogenated6.5%
- 3824.99.55.00Other3.7%
- Other
- 3824.99.70.00Mixtures of dibromo neopentyl glycol; Polydibromophenylene oxide; Tetrabromobisphenol-A-carbonate oligomers; and Electroplating chemical and electroless plating solutions and other materials for printed circuit boards, plastics and metal finishingsFree
- 3824.99.75Naphthenic acids, their water-insoluble salts and their esters3.7%
- 3824.99.75.10Naphthenic acids
- 3824.99.75.50Other
- 3824.99.93Other5%
- Mixtures of acyclic, monohydric, unsubstituted alcohols
- 3824.99.93.10Containing C11 or lower alcohols only
- 3824.99.93.20Containing C12 or higher alcohols only
- 3824.99.93.30Other
- 3824.99.93.61Mixtures consisting mainly of chemicals containing a phosphorus atom to which is bonded one methyl, ethyl, n-propyl or isopropyl group, but no other carbon atoms
- 3824.99.93.86Mixtures of a kind containing magnesium used as a desulfurization reagent
- 3824.99.93.97Other