2839Silicates; commercial alkali metal silicates
HTS Code 2839 covers any article best defined as Products of the Chemical or Allied IndustriesInorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopesSilicates; commercial alkali metal silicates: in the Harmonized Tariff Schedule — covering 3 sub-classifications.
Tariff updates
Recent US tariff actions that name 2839 or its heading.
- Dec 18, 2025 · PublishedUS cuts reciprocal tariff on Swiss and Liechtenstein goods to 15% all-in, exempts certain products
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If a new 10% tariff were added
Relevant HTS Notes
Official USITC notes that may affect classification under HTS 2839.
Search CROSS Rulings for HTS 2839
See how Customs classified similar products. CBP's CROSS database holds the classification rulings that cite 2839.
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What does HTS code 2839 cover?
HTS code 2839 covers silicates; commercial alkali metal silicates (Silicates; commercial alkali metal silicates:), classified under Chapter 28 (Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes) in the US Harmonized Tariff Schedule. There are 3 more specific sub-classifications under this code.
Primary Sources
The official documents behind the rates and tariffs on this page. Duties are worked out from them; check the legal text before you file.