Chapters › 3824

HTS 3824

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

As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
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Chapter 99 measures listing products under 3824

Lines under 3824

HTSDescriptionGeneralColumn 2
3824.10.00.00Prepared binders for foundry molds or cores6%25%
3824.30.00.00Nonagglomerated metal carbides mixed together or with metallic binders3.6%25%
3824.40Prepared additives for cements, mortars or concretes:
3824.40.10.00Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances6.5%3.7¢/kg + 60%
3824.40.20.00Consisting wholly of inorganic substancesFree25%
3824.40.50.00Other5%25%
3824.50.00Nonrefractory mortars and concretesFree20%
3824.50.00.10Wet
3824.50.00.50Other
3824.60.00.00Sorbitol other than that of subheading 2905.444.9%50%
3824.81.00.00Containing oxirane (ethylene oxide)5%25%
3824.82Containing polychlorinated biphenyls (PCBs), polychlorinated terphenyls ({PCTs) or polybrominated biphenyls (PBBs):
3824.82.10.00Chlorinated but not otherwise halogenated6.5%114.5%
3824.82.90.00Other3.7%25%
3824.83.00.00Containing tris(2,3-dibromopropyl) phospate5%25%
3824.84.00.00Containing aldrin (ISO), camphechlor (ISO) (toxaphene), chlordane (ISO), chlordecone (ISO), DDT (ISO) (clofenatone (INN))…6.5%114.5%
3824.85.00.00Containing 1,2,3,4,5,6-hexachlorocyclohexane (HCH (ISO)), including lindane (ISO,INN)6.5%114.5%
3824.86.00.00Containing pentachlorobenzene (ISO) or hexachlorobenzene (ISO)6.5%3.7¢/kg + 60%
3824.87.00.00Containing perfluorooctane sulfonic acid, its salts, perfluorooctane sulfonamides, or perfluorooctane sulfonyl fluoride3.7%25%
3824.88.00.00Containing tetra-, penta-, hexa-, hepta-, or octabromodiphenyl ethers6.5%3.7¢/kg + 60%
3824.89.00.00Containing short-chain chlorinated paraffins6.5%25%
3824.91.00.00Mixtures and preparations consisting mainly of (5-ethyl-2-methyl-2-oxido3,2-dioxaphosphinan-5-yl)methyl methylphosphonate and…5%25%
3824.92.00.00Polyglycol esters of methylphosphonic acid.5%25%
3824.99Other:
3824.99.11.00In the form of ingotsFree25%
3824.99.19.00Other6.5%50%
3824.99.21.00Consisting wholly of substances found naturally in coal tar, whether obtained from coal tar or other sourceFreeFree
3824.99.25.00Aqueous mixtures of triphenyl sulfonium chloride, diphenyl (4-phenylthio)phenyl sulfonium chloride and (thiodi-4,1- phenylene)bis(diphenyl…6.5%3.7¢/kg + 60%
3824.99.26.00Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)-…Free3.7¢/kg + 60%
3824.99.29.00Other6.5%3.7¢/kg + 60%
3824.99.31.00Of bismuth6.5%35%
3824.99.32.00Of hydrosulfite compounds, of sulfoxylate compounds, or of both6.5%35%
3824.99.33.00Of mercury4.2%26.3%
3824.99.34.00Of molybdenum2.8%18%
3824.99.35.00Of tungsten6.5%45.5%
3824.99.36.00Of vanadium6.5%40%
3824.99.39OtherFree25%
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%16.5¢/kg + 30%
3824.99.41.40Mixtures of fatty acid esters
3824.99.41.90Other
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%25%
3824.99.50.00Chlorinated but not otherwise halogenated6.5%114.5%
3824.99.55.00Other3.7%25%
3824.99.70.00Mixtures of dibromo neopentyl glycol; Polydibromophenylene oxide; Tetrabromobisphenol-A-carbonate oligomers; and Electroplating chemical…Free25%
3824.99.75Naphthenic acids, their water-insoluble salts and their esters3.7%25%
3824.99.75.10Naphthenic acids
3824.99.75.50Other
3824.99.93Other5%25%
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…
3824.99.93.86Mixtures of a kind containing magnesium used as a desulfurization reagent
3824.99.93.97Other