Import duty / Chapter 68 / Heading 6815
Heading 6815 covers 7 tariff lines in LoadLoom's table; 6 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 |
|---|---|---|---|---|
| 6815.11 | Stone or other mineral substances not elsewhere specified or included; carbon fibres for non-electrical uses | Free | 5% | Free with certificate |
| 6815.12 | Stone or other mineral substances not elsewhere specified or included; fabrics of carbon fibres for non-electrical uses | Free | 5% | Free with certificate |
| 6815.13 | Stone or other mineral substances not elsewhere specified or included; articles of carbon fibres for non-electrical uses | Free | 5% | Free with certificate |
| 6815.19 | Stone or other mineral substances not elsewhere specified or included; non-electrical articles of graphite or carbon n.e.c. in heading 6815 | Free | Free | Free with certificate |
| 6815.20 | Peat; articles of peat n.e.c. or included | Free | 4.5% | Free with certificate |
| 6815.91 | Stone articles and articles of other mineral substances; containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite | Free | 5% | Free with certificate |
| 6815.99 | Stone articles and articles of other mineral substances; n.e.c. or included in heading no. 6815 | Free | 7% | Not eligible |
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 68: Stone, plaster, cement, asbestos, mica or similar materials; articles thereof · Every chapter
