3824.99—Prepared 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
General duty rate
Free – 6.5%
Across 28 10-digit lines; pick a line below for the exact rate
Coverage on this page
Plain-English explanation
HTS 3824.99 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Prepared 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. It sits in Chapter 38: Miscellaneous chemical products, Section VI: Products of the Chemical or Allied Industries and rolls up 28 10-digit statistical lines, with general duty rates ranging from Free to 6.5%. 6 Chapter 99 tariff modifications currently touch one or more lines under this subheading, and 11 AD/CVD orders flag at least one child line.
10-digit lines under 3824.99(28)
Pick a line to view full rate detail and compute landed duty
3824.99.11.00In the form of ingotsFree3824.99.19.00Other6.5%3824.99.21.00Consisting wholly of substances found naturally in coal tar, whether obtained from coal tar or other sourceFree3824.99.25.00Aqueous 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]- acetamideFree3824.99.29.00Other6.5%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%3824.99.39.10Of lithium nickel cobalt manganese oxidesFree3824.99.39.90OtherFree3824.99.41.40Mixtures of fatty acid esters4.6%3824.99.41.90Other4.6%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%3824.99.50.00Chlorinated but not otherwise halogenated6.5%3824.99.55.00Other3.7%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 finishingsFree3824.99.75.10Naphthenic acids3.7%3824.99.75.50Other3.7%3824.99.93.10Containing C11 or lower alcohols only5%3824.99.93.20Containing C12 or higher alcohols only5%3824.99.93.30Other5%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 atoms5%3824.99.93.86Mixtures of a kind containing magnesium used as a desulfurization reagent5%3824.99.93.97Other5%Tariff modifications(6)
Chapter 99 overlays touching one or more lines under 3824.99
| Code | Authority | Rate |
|---|---|---|
| 9903.81.91 | section_232 | The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content. |
| 9903.81.92 | section_232 | The duty provided in the applicable subheading. |
| 9903.81.98 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.80.03 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.86 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.84 | section_232 | The duty provided in the applicable subheading + 25% |
AD/CVD orders(11)
Antidumping or countervailing orders covering one or more lines under 3824.99
A-583-876ADTaiwanEpoxy ResinsA-301-803ADColombiaCitric Acid and Certain Citrate SaltsA-570-168ADChinaAlkyl Phosphate EstersA-570-190ADChinaSol Gel Alumina-Based Ceramic Abrasive GrainsC-570-169CVDChinaAlkyl Phosphate EstersC-583-877CVDTaiwanEpoxy ResinsC-580-920CVDSouth KoreaEpoxy ResinsC-570-191CVDChinaSol Gel Alumina-Based Ceramic Abrasive GrainsA-580-919ADSouth KoreaEpoxy ResinsA-549-850ADThailandEpoxy ResinsC-583-880CVDTaiwanMonomers and OligomersFrequently asked questions
What does HTS 3824.99 cover?
HTS 3824.99 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Prepared 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. It belongs to Chapter 38 and rolls up 28 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 3824.99?
General (Column 1) duty rates for the 10-digit lines under HTS 3824.99 range from Free to 6.5%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.
How do I find the right 10-digit line under HTS 3824.99?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 3824.99 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 3824.99?
Yes — 11 AD/CVD orders flag at least one 10-digit line under HTS 3824.99. Whether a specific shipment falls in scope depends on the country of origin and the order's scope determination. See compliance.tandom.ai for full coverage detail.
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