Import duty / Chapter 40 / Heading 4001
Heading 4001 covers 5 tariff lines in LoadLoom's table; 5 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 |
|---|---|---|---|---|
| 4001.10 | Rubber; natural rubber latex, whether or not pre-vulcanised, in primary forms or in plates, sheets or strip | Free | Free | Free with certificate |
| 4001.21 | Rubber; natural (excluding latex), in smoked sheets | Free | Free | Free with certificate |
| 4001.22 | Rubber; technically specified natural rubber (TSNR), in primary forms or in plates, sheets or strip (excluding latex and smoked sheets) | Free | Free | Free with certificate |
| 4001.29 | Rubber; natural (excluding latex, technically specified natural rubber and smoked sheets), in primary forms or in plates, sheets or strip | Free | Free | Free with certificate |
| 4001.30 | Balata, gutta-percha, guayule, chicle and similar natural gums; in primary forms or in plates, sheets or strip | Free | Free | Free with certificate |
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.
