Import duty / Chapter 40 / Heading 4006
Heading 4006 covers 2 tariff lines in LoadLoom's table; 1 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 |
|---|---|---|---|---|
| 4006.10 | Rubber; unvulcanised, camel-back strips for retreading rubber tyres | 2.9% | Free | Free with certificate |
| 4006.90 | Rubber; unvulcanised, other than camel back strips for retreading rubber tyres | 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.