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4411.94.00.40/Low-Density Wood Fiber Door Core Panels/Canada

Low-Density Wood Fiber Door Core Panels from Canada

Lightweight fiberboard cores (0.35-0.5 g/cm³) for hollow-core interior doors, providing structural support with minimal weight. Classified HTS 4411.94.00.40 as other low-density fiberboard. Enables easy handling during door assembly.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Specify 'door core substrate' use; finished doors classify under 4418.20

• Density documentation critical; door cores often custom densities near threshold