Peat Insulation Blocks from Japan
Lightweight blocks of processed peat used for thermal and acoustic insulation in construction. HTS 6815.20.00.00 covers these as peat-based building material articles.
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%
Import Tips
• Provide fire resistance test results meeting ASTM E84 standards for building code compliance
• Declare density specs (under 200kg/m³) to confirm as insulation not structural stone
• Use non-wood pallets to prevent Chapter 44 cross-contamination in classification