HTS Index

HTS heading 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 — 57 codes under this heading, with the duty on each.

CodeDescriptionGeneral rateUnits
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 + Ch. 99not stated
3824.10.00.00Prepared binders for foundry molds or cores + Ch. 996%kg
3824.30.00.00Nonagglomerated metal carbides mixed together or with metallic binders + Ch. 993.6%kg
3824.40Prepared additives for cements, mortars or concretes + Ch. 99not stated
3824.40.10.00Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances + Ch. 996.5%kg
3824.40.20.00Consisting wholly of inorganic substances + Ch. 99Freekg
3824.40.50.00Other + Ch. 995%kg
3824.50.00Nonrefractory mortars and concretes + Ch. 99Free
3824.50.00.10Wet + Ch. 99Free (inherited from 3824.50.00)t
3824.50.00.50Other + Ch. 99Free (inherited from 3824.50.00)t
3824.60.00.00Sorbitol other than that of subheading 2905.44 + Ch. 994.9%kg
3824.81.00.00Containing oxirane (ethylene oxide) + Ch. 995%kg
3824.82Containing polychlorinated biphenyls (PCBs), polychlorinated terphenyls ({PCTs) or polybrominated biphenyls (PBBs) + Ch. 99not stated
3824.82.10.00Chlorinated but not otherwise halogenated + Ch. 996.5%kg
3824.82.90.00Other + Ch. 993.7%kg
3824.83.00.00Containing tris(2,3-dibromopropyl) phospate + Ch. 995%kg
3824.84.00.00Containing aldrin (ISO), camphechlor (ISO) (toxaphene), chlordane (ISO), chlordecone (ISO), DDT (ISO) (clofenatone (INN)), 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane), dieldrin (ISO INN), endosulfan (ISO), endrin (ISO), heptachlor (ISO) or mirex (ISO) + Ch. 996.5%kg
3824.85.00.00Containing 1,2,3,4,5,6-hexachlorocyclohexane (HCH (ISO)), including lindane (ISO,INN) + Ch. 996.5%kg
3824.86.00.00Containing pentachlorobenzene (ISO) or hexachlorobenzene (ISO) + Ch. 996.5%kg
3824.87.00.00Containing perfluorooctane sulfonic acid, its salts, perfluorooctane sulfonamides, or perfluorooctane sulfonyl fluoride + Ch. 993.7%kg
3824.88.00.00Containing tetra-, penta-, hexa-, hepta-, or octabromodiphenyl ethers + Ch. 996.5%kg
3824.89.00.00Containing short-chain chlorinated paraffins + Ch. 996.5%kg
3824.91.00.00Mixtures and preparations consisting mainly of (5-ethyl-2-methyl-2-oxido3,2-dioxaphosphinan-5-yl)methyl methylphosphonate and bis(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl methylphosphonate + Ch. 995%kg
3824.92.00.00Polyglycol esters of methylphosphonic acid. + Ch. 995%kg
3824.99Other + Ch. 99not stated
3824.99.11.00In the form of ingots + Ch. 99Freekg
3824.99.19.00Other + Ch. 996.5%kg
3824.99.21.00Consisting wholly of substances found naturally in coal tar, whether obtained from coal tar or other source + Ch. 99Freekg
3824.99.25.00Aqueous mixtures of triphenyl sulfonium chloride, diphenyl (4-phenylthio)phenyl sulfonium chloride and (thiodi-4,1- phenylene)bis(diphenyl sulfonium) dichloride + Ch. 996.5%kg
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]- acetamide + Ch. 99Freekg
3824.99.29.00Other + Ch. 996.5%kg
3824.99.31.00Of bismuth + Ch. 996.5%kg
3824.99.32.00Of hydrosulfite compounds, of sulfoxylate compounds, or of both + Ch. 996.5%kg
3824.99.33.00Of mercury + Ch. 994.2%kg
3824.99.34.00Of molybdenum + Ch. 992.8%kg
3824.99.35.00Of tungsten + Ch. 996.5%kg
3824.99.36.00Of vanadium + Ch. 996.5%kg
3824.99.39Other + Ch. 99Free
3824.99.39.10Of lithium nickel cobalt manganese oxides + Ch. 99Free (inherited from 3824.99.39)kg
3824.99.39.90Other + Ch. 99Free (inherited from 3824.99.39)kg
3824.99.41Fatty substances of animal or vegetable origin and mixtures thereof + Ch. 994.6%
3824.99.41.40Mixtures of fatty acid esters + Ch. 994.6% (inherited from 3824.99.41)kg
3824.99.41.90Other + Ch. 994.6% (inherited from 3824.99.41)kg
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 gas + Ch. 996.5%kg
3824.99.50.00Chlorinated but not otherwise halogenated + Ch. 996.5%kg
3824.99.55.00Other + Ch. 993.7%kg
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 finishings + Ch. 99Freekg
3824.99.75Naphthenic acids, their water-insoluble salts and their esters + Ch. 993.7%
3824.99.75.10Naphthenic acids + Ch. 993.7% (inherited from 3824.99.75)kg
3824.99.75.50Other + Ch. 993.7% (inherited from 3824.99.75)kg
3824.99.93Other + Ch. 995%
3824.99.93.10Containing C11 or lower alcohols only + Ch. 995% (inherited from 3824.99.93)kg
3824.99.93.20Containing C12 or higher alcohols only + Ch. 995% (inherited from 3824.99.93)kg
3824.99.93.30Other + Ch. 995% (inherited from 3824.99.93)kg
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 + Ch. 995% (inherited from 3824.99.93)kg
3824.99.93.86Mixtures of a kind containing magnesium used as a desulfurization reagent + Ch. 995% (inherited from 3824.99.93)kg
3824.99.93.97Other + Ch. 995% (inherited from 3824.99.93)kg

14 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.

Additional duties may apply

57 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.

Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.