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HTS heading 2519: Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added befor

Heading 2519 of the US Harmonized Tariff Schedule covers 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. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 2519 at a glance

Goods named in this heading (official line texts): Natural magnesium carbonate (magnesite), Fused magnesia and dead-burned (sintered) magnesia, Caustic calcined magnesite.

Subheadings (6-digit)

All tariff lines in heading 2519

LineDescriptionGeneralSection 301 (China)Exclusions
2519.10.00Natural magnesium carbonate (magnesite)Freenone
2519.90.10Fused magnesia and dead-burned (sintered) magnesiaFreenone
2519.90.20Other: Caustic calcined magnesiteFreenone
2519.90.50Other: OtherFreenone

All of chapter 25 · Chapter 25 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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