Foam Glass Insulation Blocks from Japan
Multicellular foam glass blocks used for thermal insulation in building walls and roofs. Although foam glass has specific provisions, certain 'other' forms fit HTS 7016.90.50.00 when not strictly blocks/panels. Offers fire resistance and moisture impermeability.
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
• Test for cellular structure per Chapter 70 notes to confirm foam glass status
• Include R-value specs and building code compliance docs