From Chapter 28: Chapter 28
| HTS Code | Description | General Duty |
|---|---|---|
| 2830100000 | Sulfides; polysulfides, whether or not chemically defined Sodium sulfides | 3.7% |
| 2830901000 | Other Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight | Free |
| 2830901500 | Other Other zinc sulfide | 2.8% |
| 2830902000 | Other Cadmium sulfide | 3.1% |
| 2830909000 | Other Other | 3% |