Import duty / Chapter 39 / Heading 3917
Heading 3917 covers 10 tariff lines in LoadLoom's table; 9 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 |
|---|---|---|---|---|
| 3917.10 | Plastics; artificial guts (sausage casings) of hardened protein or of cellulosic materials | 6.5% | Free | Not eligible |
| 3917.21 | Plastics; tubes, pipes and hoses thereof, rigid, of polymers of ethylene | 3.1% | Free | Free with certificate |
| 3917.22 | Plastics; tubes, pipes and hoses thereof, rigid, of polymers of propylene | 3.1% | Free | Free with certificate |
| 3917.23 | Plastics; tubes, pipes and hoses thereof, rigid, of polymers of vinyl chloride | 3.1% | Free | Free with certificate |
| 3917.29 | Plastics; tubes, pipes and hoses thereof, rigid, of plastics n.e.c. in heading no. 3917 | 3.1% | Free | Free with certificate |
| 3917.31 | Plastics; tubes, pipes and hoses thereof, flexible, having a minimum burst pressure of 27.6MPa | 3.1% | Free | Free with certificate |
| 3917.32 | Plastics; tubes, pipes and hoses thereof, other than those of item no. 3917.31, not reinforced or otherwise combined with other materials, without fittings | 3.1% | 6.5% | Free with certificate |
| 3917.33 | Plastics; tubes, pipes and hoses thereof, other than those of item no. 3917.31, not reinforced or otherwise combined with other materials, with fittings | 3.1% | 6.5% | Free with certificate |
| 3917.39 | Plastics; tubes, pipes and hoses thereof, n.e.c. in item no. 3917.30 | 3.1% | 6.5% | Free with certificate |
| 3917.40 | Plastics; tube, pipe and hose fittings (e.g. joints, elbows, flanges) | 5.3% | 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.
