# HTS 2530: Mineral substances not elsewhere specified or included:

https://geopax.app/tariffs/catalog/25/2530

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=2530). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 2530: Mineral substances not elsewhere specified or included:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 2530 | Mineral substances not elsewhere specified or included: |  |  |  |  |
| 2530.10.00.00 |   Vermiculite, perlite and chlorites, unexpanded | Free |  | Free | kg |
| 2530.20 |   Kieserite, epsom salts (natural magnesium sulfates): |  |  |  |  |
| 2530.20.10.00 |     Kieserite | Free |  | Free | kg |
| 2530.20.20.00 |     Epsom salts | Free |  | 20% | kg |
| 2530.90 |   Other: |  |  |  |  |
| 2530.90.10.00 |     Natural cryolite; natural chiolite | Free |  | Free | t |
| 2530.90.20.00 |     Natural micaceous iron oxides | 2.9% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | kg |
| 2530.90.80 |     Other | Free |  | 0.3¢/kg |  |
| 2530.90.80.10 |       Celestite | Free |  | 0.3¢/kg | kg |
| 2530.90.80.15 |       Earth colors | Free |  | 0.3¢/kg | kg |
| 2530.90.80.50 |       Other | Free |  | 0.3¢/kg | kg |
