Tandom · Duty calculator
Add country and invoice value for the full duty stack — base + 301 + 232 + AD/CVD + fees.
HTS 2508.10.00.00 is the U.S. Harmonized Tariff Schedule classification for Bentonite. It's a 10-digit statistical line in Chapter 25: Salt; sulfur; earths and stone; plastering materials, lime and cement, Section V: Mineral Products, used by U.S. Customs and Border Protection to determine the duty rate at entry. No Chapter 99 tariff modifications (Section 301, Section 232, IEEPA) or AD/CVD orders currently flag this code in Tandom's catalog.
New to HTS codes? Read our guide on how HTS classification works →
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
The tariff classification of French Green Clay (montmorillonite) from France.
The tariff classification of Argan oil, Lava clay, and Dried roses from Morocco
The tariff classification of bentonite clay sewn inside a cotton bag from China.
Classification of a bentonite clay heat pack from South Korea Dear Mr. Gardenier:
The tariff classification of montmorillonite from Japan.
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 2508.10.00.00 is the U.S. Harmonized Tariff Schedule classification for Bentonite. It belongs to Chapter 25 of the HTSUS.
The general (Column 1) duty rate for HTS 2508.10.00.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
The Column 2 rate for HTS 2508.10.00.00 is $3.20/t. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
No active Chapter 99 tariff overlays (Section 301, Section 232, IEEPA reciprocal, etc.) currently flag HTS 2508.10.00.00 in Tandom's catalog. Use the calculator's date + origin inputs to confirm against any retroactive overlay you may be filing.
No active AD/CVD orders currently flag HTS 2508.10.00.00 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
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