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Home > HTS Codes > Chapter 25 > 2508

Custom Duty Rate for HTS Code 2508 : Clays, andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths (excluding kaolin and other kaolinic clays, and expanded clay)

Heading/SubheadingArticle DescriptionUnit of QuantityRates of Duty
12
GeneralSpecial
2508.10Bentonite
2508.10.00.00Bentonite clay, whether or not calcinedtFree$3.20/t
2508.30Fireclay (excluding kaolin and other kaolinic clays and expanded clay)
2508.30.00.00Fire-clay, whether or not calcinedtFree$1.97/t
2508.40Clays (excluding fireclay, bentonite, kaolin and other kaolinic clays and expanded clay)
2508.40.01Clays (not including expanded clays of heading 6806), except bentonite and fire-clayFree$1.97/t
2508.40.01.10Clays, common blue clay and other ball clays, whether or not calcinedt
2508.40.01.20Clays, decolorizing earths and fuller's earth, whether or not calcinedt
2508.40.01.50Clays, except bentonite, fire-clay, ball clays, or decolorizing earthst
2508.50Andalusite, kyanite and sillimanite
2508.50.00.00Andalusite, kyanite and sillimanite, whether or not calcinedtFreeFree
2508.60Mullite
2508.60.00.00Mullite, whether or not calcinedtFree30.00%
2508.70Chamotte or dinas earths
2508.70.00.00Chamotte or dinas earthtFreeFree

Disclaimer: The HTS code data and duty rates shown on this page are sourced from the Harmonized Tariff Schedule of the United States, Revision 15 (2025), published by the U.S. International Trade Commission (USITC). This information is provided for general reference purposes only. Credlix is a trade finance platform, not a licensed customs broker, freight forwarder, or trade law firm. It makes no warranty, express or implied, regarding the accuracy, completeness, or fitness of this data. Always verify against the latest schedule at hts.usitc.gov before making any import decisions.

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