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HTS heading 2530: Mineral substances not elsewhere specified or included

Heading 2530 of the US Harmonized Tariff Schedule covers Mineral substances not elsewhere specified or included. 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 2530 at a glance

Goods named in this heading (official line texts): Vermiculite, perlite and chlorites, unexpanded, Kieserite, Epsom salts, Natural cryolite; natural chiolite, Natural micaceous iron oxides.

Subheadings (6-digit)

All tariff lines in heading 2530

LineDescriptionGeneralSection 301 (China)Exclusions
2530.10.00Vermiculite, perlite and chlorites, unexpandedFreeList 3 +25%
2530.20.10Kieserite, epsom salts (natural magnesium sulfates): KieseriteFreeList 3 +25%
2530.20.20Kieserite, epsom salts (natural magnesium sulfates): Epsom saltsFreeList 3 +25%
2530.90.10Natural cryolite; natural chioliteFreeList 3 +25%
2530.90.20Natural micaceous iron oxides2.9%List 3 +25%
2530.90.80Other: 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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