From Chapter 25: Chapter 25
| HTS Code | Description | General Duty |
|---|---|---|
| 2530100000 | Mineral substances not elsewhere specified or included Vermiculite, perlite and chlorites, unexpanded | Free |
| 2530201000 | Kieserite, epsom salts (natural magnesium sulfates) Kieserite | Free |
| 2530202000 | Kieserite, epsom salts (natural magnesium sulfates) Epsom salts | Free |
| 2530901000 | Other Natural cryolite; natural chiolite | Free |
| 2530902000 | Other Natural micaceous iron oxides | 2.9% |
| 2530908000 | Other Other | Free |
| 2530908010 | Other Celestite | Free |
| 2530908015 | Other Earth colors | Free |
| 2530908050 | Other | Free |