Import duty / Chapter 36 / Heading 3604
Heading 3604 covers 2 tariff lines in LoadLoom's table; 1 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 |
|---|---|---|---|---|
| 3604.10 | Pyrotechnic products; fireworks | 2.4% | 6.5% | Not eligible |
| 3604.90 | Pyrotechnic products; signalling flares, rain rockets, fog signals and other pyrotechnic articles (excluding fireworks) | 6.5% | 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.
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Chapter 36: Explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations · Every chapter
