Cat Litter — HS Code
Clays and other argillaceous earths — other clays

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HS Code
2508 — Other clays (not including expanded clays of heading 6806)
Classification Context
Chapter
Chapter 25 — Salt; sulphur; earths and stone; plastering materials
Heading
2508 — Other clays (not including expanded clays of heading 6806)
Applicable Rule
GRI 1 — bentonite and clay-based cat litter falls under 2508.40
Prior Rulings
EU — EBTI (Binding Tariff Information)
Search EU EBTI databaseUS — CBP CROSS Ruling Database
Search US CBP CROSS rulingsUK — HMRC Trade Tariff
View UK Trade Tariff commodityClassification Notes
Most cat litter (bentonite, clay-based) is 2508.40. Silica gel litter is 2811.22 (silicon dioxide). Plant-based litter (pine, paper) falls under different chapters. The specific litter material determines the correct subheading. Clumping vs non-clumping does not change classification.
MFN Duty Rates by Market
European Union
2508.40.00
EU Combined Nomenclature (CN) rate — applies to all 27 EU member states
United States
2508.40.00
US Harmonized Tariff Schedule (HTS) MFN rate — Section 301 tariffs may add to China-origin goods
United Kingdom
2508.40.00
UK Global Tariff (UKGT) — post-Brexit tariff schedule, independent of EU CN
Related searches
Official Sources & References
WCO HS Nomenclature
World Customs Organisation — the international standard behind all HS codes
wcoomd.org
EU TARIC Database
European Commission integrated tariff — EU Combined Nomenclature (CN) rates
ec.europa.eu
US HTS Schedule (USITC)
United States International Trade Commission — official US Harmonized Tariff Schedule
hts.usitc.gov
UK Global Tariff (HMRC)
His Majesty's Revenue and Customs — UK Trade Tariff post-Brexit
trade-tariff.service.gov.uk
Disclaimer: Duty rates shown are MFN (Most-Favoured-Nation) base rates sourced from live tariff database and verified April 2026. Actual duties may differ based on country of origin, applicable trade agreements (e.g. GSP, CETA, UK-EU TCA), anti-dumping measures, or changes to tariff schedules. Always verify with the official tariff database of the importing country before making customs declarations.
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