HTS heading 3813
Preparations and charges for fire extinguishers; charged fire-extinguishing grenades — 3 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 3813.00 | Preparations and charges for fire extinguishers; charged fire-extinguishing grenades + Ch. 99 | not stated | — |
| 3813.00.10.00 | Consisting wholly of inorganic substances + Ch. 99 | Free | kg |
| 3813.00.50.00 | Other + Ch. 99 | 3.7% | kg |
Additional duties may apply
3 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.