4405.00.00.00/Hemlock Wood Wool Insulation/Japan

Hemlock Wood Wool Insulation from Japan

Compressed hemlock excelsior panels for loose-fill wall insulation (R-value 2.2 per inch). HTS 4405.00.00.00 classification for cellulosic wood wool insulation. Borate treatment for fire/smoldering resistance.

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

• Thermal conductivity certificates (K-factor) for building code approval

• Borate content analysis (<15%) to maintain wood wool status

• Settled density specs (2.5-3.5 lb/cu.ft.) for blower installation