HTS 2839 · Chapter 28
Silicates; commercial alkali metal silicates:
General (MFN) duty, special preferential rates, and where HTS 2839 sits in the US Harmonized Tariff Schedule.
- Free
- General (MFN) rate
- None
- Special / FTA rate
- None
- Column 2 (non-MFN)
- Ch 28
- Inorganic chemicals; o…
According to the U.S. International Trade Commission Harmonized Tariff Schedule 2026 Basic Edition, PlainTariff indexes 13,855 Column 1 general-rate tariff lines across 96 chapters as of August 2026. See our methodology for how rates are parsed and when the USITC vintage updates.
The verdict
HTS 2839 enters the US duty-free under the general (MFN) rate, no tariff applies to most imports of this classification.
- Free
- General (MFN) rate
- Ch 28
- Inorganic chemicals; o…
Where HTS 2839 sits in the US duty-rate distribution
All rate-bearing tariff lines in the USITC HTS 2026 Basic Edition; this is a rate comparison, not a classification recommendation.
0% Duty-free at the lowest observed value among 13,544 rate-bearing tariff lines
USITC tariff lines grouped by their published general (MFN) duty rate
Each bar is a published general (MFN) duty-rate band; taller bars hold more rate-bearing tariff lines. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source US International Trade Commission Harmonized Tariff Schedule · 2026-05-15
About HTS 2839
HTS code 2839 classifies imports of: Silicates; commercial alkali metal silicates:. This line sits within Chapter 28 (Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes), Section VI (Products of the Chemical or Allied Industries), and is catalogued as a heading in the USITC 2026 Basic Edition. The schedule specifies ad valorem (percentage-of-value) duty for this line. Chapter 28 covers a broad category with many neighboring tariff lines, so double-check the classification against the closest matches before filing.
The general (MFN / Column 1 General) rate for HTS 2839 is Free, which applies to most trading partners of the United States. No special preferential rate is listed for this line, so FTA origin alone will not reduce the general duty. Because the general rate is Free, most imports under this code enter the US without duty, though anti-dumping, countervailing, or Section 301 tariffs can still apply depending on country of origin.
Beyond the published rate, importers should check for Section 201 safeguards, Section 301 China tariffs, and any active AD/CVD orders that can materially change the real landed cost. Always verify the classification with a licensed customs broker before committing to a supply contract, this page is a research tool, not a customs ruling.
Duty Rate Summary, HTS 2839
| Rate Column | Value | Applies To |
|---|---|---|
| General (Column 1) | Free | Most-favored-nation (MFN) trading partners, the default rate for most US imports. |
| Special | Not listed | Preferential rates under FTAs (USMCA, CAFTA-DR, GSP, etc.) when origin qualifies. |
| Column 2 | Not listed | Statutory non-MFN rate for goods from countries without normal trade relations (Cuba, North Korea). |
Source: USITC Harmonized Tariff Schedule 2026 Basic Edition. See methodology for refresh cadence.
Details
- Classification
- Heading
Related Items in Chapter 28
Showing 10 of 274 tariff lines in HTS Chapter 28.
Chlorine
Iodine
Fluorine
Bromine
Sulfur, sublimed or precipitated; colloidal sulfur
Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)
Hydrogen
Argon
Other
Nitrogen
Next steps
HTS 2839 is one line in the schedule. Drill up to the chapter or out to tools and rankings.
- Browse 274 tariff lines in Chapter 28. Chapter 28
- See all 11 chapters under Section VI. Section VI
- Estimate landed duty for a shipment in this chapter. Tariff calculator
- Compare other duty-free tariff lines nationwide. Duty-free board
- Save HTS lines you monitor on this device. Tariff watchlist
Preferential (Special) rates and Section 301/232 duties may change the duty a shipment actually pays.
Frequently Asked Questions
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Sources: U.S. International Trade Commission Harmonized Tariff Schedule (2026 Basic Edition) and FAO FAOSTAT Trade: Crops and Livestock. See our methodology for how figures are computed.
Every figure on PlainTariff is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.