4504.10.50.00/Agglomerated Cork Thermal Break Strip/Japan

Agglomerated Cork Thermal Break Strip from Japan

Narrow strips of agglomerated cork inserted in building frames to prevent heat bridging. HTS 4504.10.50.00 for 'strip' forms, used in construction without Chapter 64 exclusions. Excellent low-conductivity properties.

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

• Provide thermal conductivity data (lambda <0.045 W/mK) for verification

• Ship in construction-grade packaging to affirm B2B use