US tariff data as of 2026-10-09Tariffs dataset 1.0.0Entry dates 2025-01-01 to 2026-10-09
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Chapter 38 · HTS release 2026HTSRev21

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

Base rates and the additional US duties for imports from the main origins on entry date 2026-10-09, from the HTS Calculator duty engine.

Base rate (column 1 general)
Free to 6.5%
Additional duty, main origins
0–60%
Statistical lines
48
Entry date shown
2026-10-09 (dataset 1.0.0)

Additional duties for the main origins

Additional duties on 2026-10-09
OriginAdditional dutyMeasures
China20–37.5%Section 301
Mexico0–10%Section 301
Canada0–60%Section 301, Other Chapter 99
Vietnam12.5%Section 301
Germany3.5–10%Section 301

Range of the Chapter 99 duties (percent of customs value) across the lines of this heading. A range means the result differs between lines or depends on facts about the goods; an asterisk marks lines whose duty also depends on a specific (per unit) base rate. Other origins (Japan, South Korea, Taiwan, India, United Kingdom and any other country): in the calculator and the API.

Chapter 99 headings on these lines

  • 9903.03.14 Other Chapter 99
  • 9903.05.29 Section 301
  • 9903.05.31 Section 301
  • 9903.05.39 Section 301
  • 9903.05.55 Section 301
  • 9903.05.84 Section 301
  • 9903.05.93 Section 301
  • 9903.05.94 Section 301
  • 9903.88.03 Section 301
  • 9903.88.15 Section 301

Every line, every origin, with citations

This page sums heading 3824 up. The duty for one line, origin and date comes from the duty engine:

  • Base rate plus each Chapter 99 line, in percent and in dollars
  • Citations to the Federal Register, CBP and the USITC, with the quoted text
  • The lines considered and not applied, and why
  • Any origin, any entry date from 2025-01-01 to 2026-10-09
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Lines in this heading

The 48 statistical lines of heading 3824

Each code opens the free calculator for that line on 2026-10-09: base rate, every Chapter 99 line with its citations, and the duty in dollars.

  • 3824.10.00.00Prepared binders for foundry molds or cores
  • 3824.30.00.00Nonagglomerated metal carbides mixed together or with metallic binders
  • 3824.40.10.00Prepared additives for cements, mortars or concretes › Containing 5 percent or more by weight of one or more…
  • 3824.40.20.00Prepared additives for cements, mortars or concretes › Consisting wholly of inorganic substances
  • 3824.40.50.00Prepared additives for cements, mortars or concretes › Other
  • 3824.50.00.10Nonrefractory mortars and concretes › Wet
  • 3824.50.00.50Nonrefractory mortars and concretes › Other
  • 3824.60.00.00Sorbitol other than that of subheading 2905.44
  • 3824.81.00.00Goods specified in subheading note 3 to this chapter › Containing oxirane (ethylene oxide)
  • 3824.82.10.00… › Containing polychlorinated biphenyls (PCBs), polychlorinated terphenyls ({PCTs) or polybrominated…
  • 3824.82.90.00… › Containing polychlorinated biphenyls (PCBs), polychlorinated terphenyls ({PCTs) or polybrominated…
  • 3824.83.00.00Goods specified in subheading note 3 to this chapter › Containing tris(2,3-dibromopropyl) phospate
  • 3824.84.00.00Goods specified in subheading note 3 to this chapter › Containing aldrin (ISO), camphechlor (ISO)…
  • 3824.85.00.00Goods specified in subheading note 3 to this chapter › Containing 1,2,3,4,5,6-hexachlorocyclohexane (HCH…
  • 3824.86.00.00Goods specified in subheading note 3 to this chapter › Containing pentachlorobenzene (ISO) or…
  • 3824.87.00.00Goods specified in subheading note 3 to this chapter › Containing perfluorooctane sulfonic acid, its salts,…
  • 3824.88.00.00Goods specified in subheading note 3 to this chapter › Containing tetra-, penta-, hexa-, hepta-, or…
  • 3824.89.00.00Goods specified in subheading note 3 to this chapter › Containing short-chain chlorinated paraffins
  • 3824.91.00.00Other › Mixtures and preparations consisting mainly of (5-ethyl-2-methyl-2-oxido3,2-dioxaphosphinan-5-yl)meth…
  • 3824.92.00.00Other › Polyglycol esters of methylphosphonic acid.
  • 3824.99.11.00… › Cultured crystals (other than optical elements of chapter 90), weighing not less than 2.5 g each › In the…
  • 3824.99.19.00… › Cultured crystals (other than optical elements of chapter 90), weighing not less than 2.5 g each › Other
  • 3824.99.21.00… › Mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances ›…
  • 3824.99.25.00… › Mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances ›…
  • 3824.99.26.00… › Mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances ›…
  • 3824.99.29.00… › Mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances ›…
  • 3824.99.31.00… › Mixtures of two or more inorganic compounds › Of bismuth
  • 3824.99.32.00… › Mixtures of two or more inorganic compounds › Of hydrosulfite compounds, of sulfoxylate compounds, or of…
  • 3824.99.33.00… › Mixtures of two or more inorganic compounds › Of mercury
  • 3824.99.34.00… › Mixtures of two or more inorganic compounds › Of molybdenum
  • 3824.99.35.00… › Mixtures of two or more inorganic compounds › Of tungsten
  • 3824.99.36.00… › Mixtures of two or more inorganic compounds › Of vanadium
  • 3824.99.39.10… › Other › Of lithium nickel cobalt manganese oxides
  • 3824.99.39.90… › Other › Other
  • 3824.99.41.40… › Fatty substances of animal or vegetable origin and mixtures thereof › Mixtures of fatty acid esters
  • 3824.99.41.90… › Fatty substances of animal or vegetable origin and mixtures thereof › Other
  • 3824.99.49.00… › Other › Mixtures that are in whole or in part of hydrocarbons derived in whole or in part from petroleum,…
  • 3824.99.50.00… › Mixtures of halogenated hydrocarbons › Chlorinated but not otherwise halogenated
  • 3824.99.55.00… › Mixtures of halogenated hydrocarbons › Other
  • 3824.99.70.00… › Other › Mixtures of dibromo neopentyl glycol; Polydibromophenylene oxide; Tetrabromobisphenol-A-carbonate…
  • 3824.99.75.10… › Naphthenic acids, their water-insoluble salts and their esters › Naphthenic acids
  • 3824.99.75.50… › Naphthenic acids, their water-insoluble salts and their esters › Other
  • 3824.99.93.10… › Mixtures of acyclic, monohydric, unsubstituted alcohols › Containing C11 or lower alcohols only
  • 3824.99.93.20… › Mixtures of acyclic, monohydric, unsubstituted alcohols › Containing C12 or higher alcohols only
  • 3824.99.93.30… › Mixtures of acyclic, monohydric, unsubstituted alcohols › Other
  • 3824.99.93.61… › Other › Mixtures consisting mainly of chemicals containing a phosphorus atom to which is bonded one…
  • 3824.99.93.86… › Other › Mixtures of a kind containing magnesium used as a desulfurization reagent
  • 3824.99.93.97… › Other › Other

Recent changes

Between 2025-10-09 and 2026-10-09: the Chapter 99 headings applied changed for all 5 main origins. Dated changes, with their sources: the change list and the Tariff Change Feed.

Scope

We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.