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

Low-Density Wood Fiber Door Core Panels from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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