Chapter 25: Salt; sulfur; earths and stone; plastering materials, lime and cement
HTS heading 2530: Mineral substances not elsewhere specified or included
12 numbered lines under heading 2530, including 8 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 2530 | Mineral substances not elsewhere specified or included: | ||||
| 2530.10.00.00 | Vermiculite, perlite and chlorites, unexpanded | kg | Free | Free | |
| 2530.20 | Kieserite, epsom salts (natural magnesium sulfates): | ||||
| 2530.20.10.00 | Kieserite | kg | Free | Free | |
| 2530.20.20.00 | Epsom salts | kg | Free | 20% | |
| 2530.90 | Other: | ||||
| 2530.90.10.00 | Natural cryolite; natural chiolite | t | Free | Free | |
| 2530.90.20.00 | Natural micaceous iron oxides | kg | 2.9% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% |
| 2530.90.80 | OtherNote: See 9903.90.08. | Free | 0.3¢/kg | ||
| 2530.90.80.10 | Celestite | kg | |||
| 2530.90.80.15 | Earth colors | kg | |||
| 2530.90.80.50 | Other | kg |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.