6-digit WCO subheading · globally harmonized
283640Potassium carbonates
Global tariff comparison
Primary import duty for HS-6 283640 across 12 major trading jurisdictions
United States tariff lines
2 national codes
| HS Code | Description | Primary rate |
|---|---|---|
| 2836.40.10.00 | Dipotassium carbonate | 1.9% |
| 2836.40.20.00 | Potassium hydrogencarbonate (Potassium bicarbonate) | 1.3% |