Import duty / Chapter 25 / Heading 2522
Heading 2522 covers 3 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 |
|---|---|---|---|---|
| 2522.10 | Quicklime; excluding calcium oxide and hydroxide of heading no. 2825 | Free | Free | Free with certificate |
| 2522.20 | Slaked lime; excluding calcium oxide and hydroxide of heading no. 2825 | Free | Free | Free with certificate |
| 2522.30 | Hydraulic lime; excluding calcium oxide and hydroxide of heading no. 2825 | 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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Chapter 25: Salt; sulphur; earths, stone; plastering materials, lime and cement · Every chapter
