Import duty / Chapter 39 / Heading 3925
Heading 3925 covers 4 tariff lines in LoadLoom's table; 3 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 |
|---|---|---|---|---|
| 3925.10 | Plastics; builders' ware, reservoirs, tanks, vats and similar containers of a capacity exceeding 300 litres | 6.3% | 6.5% | Free with certificate |
| 3925.20 | Plastics; builders' ware, doors, windows and their frames and thresholds for doors | 5.3% | 6.5% | Free with certificate |
| 3925.30 | Plastics; builders' ware, shutters, blinds (including venetian blinds) and similar articles and parts thereof | 3.3% | 6.5% | Not eligible |
| 3925.90 | Plastics; builders' ware, n.e.c. or included in heading no. 3925 | 5.3% | 6.5% | 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.