HS 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
HEADING DEFINITION & DISAMBIGUATION
HS Heading 3824 encompasses 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. It classifies 17 6-digit WCO subheadings within Chapter 38 under the Harmonized System [USITC HTS 2026].
Subheadings Under Heading 3824
| HS Code | WCO 6-Digit Subheading Description | Chapter | Operational Package |
|---|---|---|---|
| 3824.10 | Prepared binders for foundry molds or cores | 38 | View 3824.10 Package → |
| 3824.30 | Nonagglomerated metal carbides mixed together or with metallic binders | 38 | View 3824.30 Package → |
| 3824.40 | Prepared additives for cements, mortars or concretes | 38 | View 3824.40 Package → |
| 3824.50 | 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, Nonrefractory mortars and concretes | 38 | View 3824.50 Package → |
| 3824.60 | 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, Sorbitol other than that of subheading 2905.44 | 38 | View 3824.60 Package → |
| 3824.81 | Goods specified in subheading note 3 to this chapter, Containing oxirane (ethylene oxide) | 38 | View 3824.81 Package → |
| 3824.82 | Goods specified in subheading note 3 to this chapter, Containing polychlorinated biphenyls (PCBs), polychlorinated terphenyls ({PCTs) or polybrominated biphenyls (PBBs) | 38 | View 3824.82 Package → |
| 3824.83 | Goods specified in subheading note 3 to this chapter, Containing tris(2,3-dibromopropyl) phospate | 38 | View 3824.83 Package → |
| 3824.84 | Goods specified in subheading note 3 to this chapter, Containing 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) | 38 | View 3824.84 Package → |
| 3824.85 | Goods specified in subheading note 3 to this chapter, Containing 1,2,3,4,5,6-hexachlorocyclohexane (HCH (ISO)), including lindane (ISO,INN) | 38 | View 3824.85 Package → |
| 3824.86 | Goods specified in subheading note 3 to this chapter, Containing pentachlorobenzene (ISO) or hexachlorobenzene (ISO) | 38 | View 3824.86 Package → |
| 3824.87 | Goods specified in subheading note 3 to this chapter, Containing perfluorooctane sulfonic acid, its salts, perfluorooctane sulfonamides, or perfluorooctane sulfonyl fluoride | 38 | View 3824.87 Package → |
| 3824.88 | Goods specified in subheading note 3 to this chapter, Containing tetra-, penta-, hexa-, hepta-, or octabromodiphenyl ethers | 38 | View 3824.88 Package → |
| 3824.89 | Goods specified in subheading note 3 to this chapter, Containing short-chain chlorinated paraffins | 38 | View 3824.89 Package → |
| 3824.91 | Other, Mixtures 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 | 38 | View 3824.91 Package → |
| 3824.92 | 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, Polyglycol esters of methylphosphonic acid. | 38 | View 3824.92 Package → |
| 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, Other | 38 | View 3824.99 Package → |
DISAMBIGUATION & CLASSIFICATION GUIDE
How to Select the Correct Subheading Under Heading 3824
Commercial shipments must be declared under the exact 6-digit WCO subheading that matches physical, chemical, or processing characteristics. Review the subheading descriptions above and verify against binding CBP CROSS rulings prior to entry filing.
Official Primary Sources & Authority References
USITC HTS Heading 3824 ↗
United States International Trade Commission official Harmonized Tariff Schedule.
CBP CROSS Rulings ↗
CBP e-Rulings database for Heading 3824 precedent rulings.
WCO Nomenclature ↗
World Customs Organization Harmonized System 2022 nomenclature standard.
U.S. Census Foreign Trade ↗
U.S. Census Bureau HTS-to-NAICS concordance and Schedule B export database.
Heading 3824 Frequently Asked Questions (FAQ)
What commercial articles are grouped under HS Heading 3824?
HS Heading 3824 covers 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, grouping 17 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 3824?
Subheadings under Heading 3824 range from 3824.11 to 3824.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 3824?
US MFN general duty rates for Heading 3824 commodities range from Duty-Free up to representative ad valorem percentages under the 2026 US HTS.
Are Section 301 tariffs applicable to goods under Heading 3824?
Section 301 additional tariffs depend on the specific 8-digit or 10-digit US HTS code and country of origin (e.g. China Lists 1–4A).
What PGA message set flags apply to Heading 3824?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 3824?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 3824 enter duty-free under USMCA?
Yes. Goods originating in USMCA territories (US, Mexico, Canada) enter duty-free under SPI code P with a valid Certificate of Origin.
What is the Section 321 de minimis limit for Heading 3824?
Eligible import shipments valued at $800 USD or less imported by one person on one day enter duty-free under 19 U.S.C. 1321.
What documents are required for formal customs entry of Heading 3824?
Commercial Invoice, Packing List, Bill of Lading, and CBP Form 7501 are mandatory for entries exceeding $2,500 USD.
How can an importer get a binding CBP classification ruling for Heading 3824?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.