| HS Code | Description | Unit | Import | Export |
|---|---|---|---|---|
| 2811.11.00 | Hydrogen fluoride (hydrofluoric acid) | kg | 10% | Free |
| 2811.12.00 | Hydrogen cyanide (hydrocyanic acid) | kg | 10% | Free |
| 2811.19.00 | Other | kg | 10% | Free |
| 2811.21.00 | Carbon dioxide | kg | 5% | Free |
| 2811.22.00 | Silicon dioxide | kg | 5% | Free |
| 2811.29.10 | Silica gel | kg | 10% | Free |
| 2811.29.90 | Other | kg | 10% | Free |