Harmonized Tariff Schedule of the United States · HTS code · HS 3824.99

3824.99.93

3824.99.93: Other chemical products and preparations: Prepared binders for foundry molds or cores: other, other, other, other, other, other

Other chemical products and preparations

Not declarable on its own: use one of its 6 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026

  1. 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:
  2. Other:
  3. 3824.99 Other:
  4. Other:
  5. Other:
  6. Other:
  7. 3824.99.93 Other

What you pay

Importing into USA

Customs duty 5% standard rate depends on the country of origin
Additional duties and charges 2 additional measures
VAT no federal VAT; a Merchandise Processing Fee of 0.3464 % is charged on formal entries
Duty calculatorCalculate duty and taxes →

US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Additional duties and charges 2

  • Additional dutySection 338 — Canada — discrimination against US alcoholic beverages, dairy, motor vehicles (Proclamations 11046–11048, as modified) 50%
    Applies to goods from
    Canada
    In force
    from 22 August 2026
    Legal act
    HTSUS 9903.03.14
  • Additional dutySection 301 — China — technology transfer, IP and innovation (2018 actions and 2024 four-year review) 25%
    Applies to goods from
    China
    In force
    from 24 September 2018
    Legal act
    HTSUS 9903.88.03

Preferential rates by country

Agreement or schemeCountriesRate
General (MFN)—5%
US–Australia FTA AUAustraliaFree
US–Bahrain FTA BHBahrainFree
US–Chile FTA CLChileFree
US–Colombia TPA COColombiaFree
US–Israel FTA ILIsraelFree
US–Jordan FTA JOJordanFree
US–Japan Trade Agreement JPJapanFree
US–Korea FTA KRSouth KoreaFree
US–Morocco FTA MAMoroccoFree
US–Oman FTA OMOmanFree
CAFTA-DR PCosta Rica, Dominican Republic, El Salvador, Guatemala, Honduras, NicaraguaFree
US–Panama TPA PAPanamaFree
US–Peru TPA PEPeruFree
USMCA SCanada, MexicoFree
US–Singapore FTA SGSingaporeFree
Column 2Cuba, North Korea, Russia, Belarus25%

Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).

Subdivisions

  1. 3824.99.93 Other 5%
  2. 3824.99.93.10 Containing C11 or lower alcohols only kg
  3. 3824.99.93.20 Containing C12 or higher alcohols only kg
  4. 3824.99.93.30 Other kg
  5. 3824.99.93.61 Mixtures 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 kg
  6. 3824.99.93.86 Mixtures of a kind containing magnesium used as a desulfurization reagent kg
  7. 3824.99.93.97 Other kg

Same subheading in other tariffs

3824.99 Prepared binders for foundry moulds or cores: other, other

USA lines: 3824.99

Binding rulings for similar goods

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • N365232 U.S. CBP 28 September 2026 · 3824.99.93.97

    The tariff classification of a soil supplement from India

  • N364756 U.S. CBP 16 September 2026 · 3824.99.93.97

    The tariff classification of three Organic Gypsum Prill products (soil amendments) from Canada

  • N364613 U.S. CBP 15 September 2026 · 3824.99.93.97

    The tariff classification of four disposable dehumidifiers from China

  • N362427 U.S. CBP 1 July 2026 · 3824.99.93.97

    The tariff classification of a silicon-carbon product from China

  • N361129 U.S. CBP 7 May 2026 · 3824.99.93.97

    The tariff classification of a food additive for chocolate milk from Malaysia

  • N360608 U.S. CBP 21 April 2026 · 3824.99.93.97

    The tariff classification of a silicon wafer that will be used for testing purposes from Taiwan

  • N359802 U.S. CBP 30 March 2026 · 3824.99.93.97

    The tariff classification and eligibility of the United States-Mexico-Canada Agreement (USMCA) of a non-aqueous, multi-component formulated preparation from Canada

  • N359420 U.S. CBP 18 March 2026 · 3824.99.93.97

    The tariff classification of N,N-Dialkylmethylamine from the Philippines

Legal notes

Notes
Subheading notes

Chapter notes: Chapter 38 →

Code history

Since 2017; before, these goods were classified under 3824.90.

In the Harmonized Tariff Schedule of the United States, 3824.99.93 is one of 20 lines under subheading 3824.99, prepared binders for foundry moulds or cores: other, other.

The general duty is 5%.

6 statistical sub-lines below it are used in the declaration.

For the same subheading, the UK duty is 0%–6.5%, the EU duty is 0%–6.5%, the Türkiye duty is 0%–30%, the Canada duty is free, the Mexico duty is 0%–6%, the Brazil duty is 0%–12.6%, the Argentina duty is 0%–12.6%, the Peru duty is 0%–6%, the New Zealand duty is 0%–5%, the Japan duty is 0%–3.9%, the Taiwan duty is 0%–5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 0%–6% and the Nigeria duty is 5%–10%.

The United States imported goods of subheading 3824.99 worth US$4bn in 2024; the largest supplier was South Korea, and the United Kingdom ranked 8th with US$134m.

Questions and answers

What is the USA import duty for HTS code 3824.99.93?

The general duty in the Harmonized Tariff Schedule of the United States is 5%. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.

Is there a lower rate for 3824.99.93 under US trade agreements?

Yes. The Special column reads “Free (A+,AU, BH, CL, CO,D,E, IL, JO, JP,K, KR, MA, OM,P, PA, PE,S, SG)”: the letters in brackets name the agreements and programmes that grant it.

Where does the United States import these goods from?

For subheading 3824.99 as a whole, the largest supplier in 2024 was South Korea (US$1bn), followed by Germany.

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Typical products

Everyday names, not part of the legal text.