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HTS lookup › Chapter 38 › Heading 3824

HTS 3824.40 (3824.40.00) duty rate

3824.40.00 is not a rated tariff line. Subheading 3824.40 (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 › Prepared additives for cements, mortars or concretes) is split into 3 tariff lines, and the duty rate depends on which one your product falls under:

LineDescriptionGeneralSection 301 (China)Exclusions
3824.40.10Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances6.5%List 3 +25%
3824.40.20Consisting wholly of inorganic substancesFreeList 3 +25%
3824.40.50Prepared additives for cements, mortars or concretes: Other5%List 3 +25%

Open the line that matches your product for its full rate table, Section 301 actions, exclusions, statistical suffixes and a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Subheading 3824.40 at a glance

Heading 3824 · Chapter 38 · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC); not legal or customs advice. Classification is decided by CBP.

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