HS Code 281122
Silicon dioxide:
| HS code | 281122 |
|---|---|
| Description | Silicon dioxide: |
| Chapter | 28 |
| Section | VI — Products of the chemical or allied industries |
The first six digits of an HS code are harmonized worldwide. Countries extend it with extra digits and their own duty rates — below are the US HTS (10-digit) equivalents. Always confirm with official customs sources before shipping.
US HTS equivalents (2)
| HTS code | Description | Duty |
|---|---|---|
2811221000 | Synthetic silica gel | 3.7% |
2811225000 | Other | Free |