Import duty / Chapter 26 / Heading 2620
Heading 2620 covers 9 tariff lines in LoadLoom's table; 6 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.
| HS code | Goods | US duty | Canada duty | USMCA |
|---|---|---|---|---|
| 2620.11 | Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly zinc, hard zinc spelter | Free | Free | Free with certificate |
| 2620.19 | Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly zinc, other than hard zinc spelter | Free | Free | Not eligible |
| 2620.21 | Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly lead; leaded gasoline sludges and leaded anti-knock compound sludges | Free | Free | Free with certificate |
| 2620.29 | Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly lead; excluding leaded gasoline sludges and leaded anti-knock compound sludges | Free | Free | Free with certificate |
| 2620.30 | Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly copper | Free | Free | Free with certificate |
| 2620.40 | Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly aluminium | Free | Free | Free with certificate |
| 2620.60 | Slag, ash and residues; (not from the manufacture of iron or steel), containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metals or for the manufacture of their chemical compounds | 5% | Free | Not eligible |
| 2620.91 | Slag, ash and residues; (not from the manufacture of iron or steel), containing antimony, beryllium, cadmium, chromium or their mixtures | Free | Free | Free with certificate |
| 2620.99 | Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly metals or their compounds, n.e.c. in heading no. 2620 | Free | Free | Not eligible |
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.