Unfaced Mineral Wool Batts R-30 Attic Insulation from Japan
Unfaced R-30 mineral wool batts exceeding 61 cm width for attic insulation, offering superior fire safety over fiberglass. Under HTS 6806.10.00.40 as loose-fill alternative in batt form, heat/sound insulating without chapter exclusions like coated paper (4810/4811). Friction-fit design simplifies installation.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify 'unfaced' on invoices; faced variants need separate facing declaration under 4811 if paper
• Comply with CARB Phase 2 for low emissions; include VOC test results