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283919Chapter 28

HS code 283919: Silicates

Covers:
Silicates; commercial alkali metal silicates not listed under the other codes in this heading.
Not covered:
283911 (Of sodium — Sodium metasilicates); 283990 (Other).
Listed US duty:
1.1% (US general rate, HTS 2026)

Official description

Silicates; commercial alkali metal silicates : Of sodium : Other

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Suggestions from the HS index, not a customs ruling

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What 283919 covers and what it doesn’t

Official text: Silicates; commercial alkali metal silicates › Of sodium › Other.

This is the “other” line of heading 2839 (silicates; commercial alkali metal silicates). It takes goods of that heading that no more specific subheading names. These go elsewhere:

Nearby codes to check

  • Heading 2839 Silicates; commercial alkali metal silicates: every subheading side by side.

US duty rate

1.1%

General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.

Who imports under 283919

EximAgent lists companies with recorded shipments under this code, built from customs records, with who they buy from and how often. See importers of 283919 →

Common questions

What is HS code 283919?
Silicates; commercial alkali metal silicates : Of sodium : Other
What duty rates apply to 283919?
Listed duty rates range from 1.1% across 1 country rate.

Browse all of Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes →

Go beyond the code

Classify a product and check the duty for your destination with the CLI, then keep researching in your own agent.

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