6-digit WCO subheading · globally harmonized
281122Silicon dioxide
Global tariff comparison
Primary import duty for HS-6 281122 across 12 major trading jurisdictions
United States tariff lines
2 national codes
| HS Code | Description | Primary rate |
|---|---|---|
| 2811.22.10.00 | Synthetic silica gel | 3.7% |
| 2811.22.50.00 | Other | Free |