Import duty / Chapter 25 / Heading 2523
Heading 2523 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 |
|---|---|---|---|---|
| 2523.10 | Cement clinkers (whether or not coloured) | Free | Free | Free with certificate |
| 2523.21 | Cement; portland, white, whether or not artificially coloured | Free | Free | Free with certificate |
| 2523.29 | Cement; portland, other than white, whether or not artificially coloured | Free | Free | Free with certificate |
| 2523.30 | Cement; aluminous (ciment fondu), whether or not coloured or in the form of clinkers | Free | Free | Free with certificate |
| 2523.90 | Cement; hydraulic kinds n.e.c. in heading no. 2523 | 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.
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