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4811.10.21.00/Tar-Impregnated Insulation Facing Paper/Japan

Tar-Impregnated Insulation Facing Paper from Japan

Tar-impregnated insulation facing paper is bituminized kraft foil-faced or plain paper in rolls for vapor barriers on fiberglass batts. Falls under HTS 4811.10.21.00 for 'other' tarred paper in rolls, with surface tar for moisture protection, outside 4803/4809/4810.

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 if foil-laminated; foil facing may require 76xx classification if primary

• Ensure impregnation is paper-focused; foil-dominant shifts chapters