US HTS CODE | Harmonized Tariff Schedule HS code & Tariffs Search Service (2025 HTS Revision 16 (07/01/2025))

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Harmonized Tariff Schedule (2025 HTS Revision 16 (07/01/2025))

Heading	Duty(general)	Article Description	Compare Code
2506.20.00.10	Free	Crude or roughly trimmed	--
2506.20.00.80	Free	Other	vs-2506200010
2507.00.00.00	Free	Kaolin and other kaolinic clays, whether or not calcined	vs-2506200080
2508		Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths:	vs-2507000000
2508.10.00.00	Free	Bentonite	vs-2508
2508.30.00.00	Free	Fire-clay	vs-2508100000
2508.40.01	Free	Other clays	vs-2508300000
2508.40.01.10	Free	Common blue clay and other ball clays	vs-25084001
2508.40.01.20	Free	Decolorizing earths and fuller's earth	vs-2508400110
2508.40.01.50	Free	Other	vs-2508400120
2508.50.00.00	Free	Andalusite, kyanite and sillimanite	vs-2508400150
2508.60.00.00	Free	Mullite	vs-2508500000
2508.70.00.00	Free	Chamotte or dinas earth	vs-2508600000
2509.00		Chalk:	vs-2508700000
2509.00.10.00	Free	Crude	vs-250900
2509.00.20.00	Free	Other	vs-2509001000
2510		Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk:	vs-2509002000
2510.10.00.00	Free	Unground	vs-2510
2510.20.00.00	Free	Ground	vs-2510100000
2511		Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816:	vs-2510200000