Skip to content
251910Chapter 25

HS code 251910: Natural Magnesium Carbonate

Covers:
Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia…
Listed US duty:
0% (US general rate, HTS 2026)

Official description

Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure : Natural magnesium carbonate (magnesite)

Find or check your HS code

Suggestions from the HS index, not a customs ruling

Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.

Or try

What 251910 covers and what it doesn’t

Official text: Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure › Natural magnesium carbonate (magnesite).

Nearby codes to check

  • Heading 2519 Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure: every subheading side by side.
  • 251990 Other

US duty rate

0%

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 251910

EximAgent lists companies with recorded shipments under this code, built from customs records, with who they buy from and how often. See importers of 251910 →

Common questions

What is HS code 251910?
Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure : Natural magnesium carbonate (magnesite)
What duty rates apply to 251910?
Listed duty rates range from 0% across 1 country rate.

Browse all of Chapter 25: Salt; sulphur; earths and stone; plastering materials, lime and cement →

Go beyond the code

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

Was this page helpful?