Heading 2530: Mineral substances not elsewhere specified or included
Every line of heading 2530 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Mineral substances not elsewhere specified or included
Chapter 25: Salt; sulfur; earths and stone; plaster, lime and cement. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 2530.10.00.00 | Vermiculite, perlite and chlorites, unexpanded | Free |
| 2530.20 | Kieserite, epsom salts (natural magnesium sulfates): | |
| 2530.20.10.00 | Kieserite | Free |
| 2530.20.20.00 | Epsom salts | Free |
| 2530.90 | Other: | |
| 2530.90.10.00 | Natural cryolite; natural chiolite | Free |
| 2530.90.20.00 | Natural micaceous iron oxides | 2.9% |
| 2530.90.80 | Other | Free |
| 2530.90.80.10 | Celestite | |
| 2530.90.80.15 | Earth colors | |
| 2530.90.80.50 | Other |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 2530 has 6 of them. Schedule B lookup →
- 2530.10.0000VERMICULITE, PERLITE AND CHLORITES, UNEXPANDED
- 2530.20.0000KIESERITE, EPSOM SALTS (NATURAL MAGNESIUM SULFATE)
- 2530.90.1000NATURAL CRYOLITE; NATURAL CHIOLITE
- 2530.90.2000NATURAL MICACEOUS IRON OXIDES
- 2530.90.8015EARTH COLORS
- 2530.90.8060MINERAL SUBSTANCES NESOI
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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