Perlite Aggregate Insulating Ceramic Brick from Japan
Fired solid brick containing expanded perlite for lightweight heat insulation, ideal for passive house construction and cavity walls. HTS 6904.10.0010 applies to these solid building bricks with ceramic fired body and thermal insulating properties per Chapter 69 definitions.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• 1
• Provide kiln firing records (>800°C) distinguishing from cured resin products excluded by Chapter notes. 2
• Thermal performance documentation essential for 'heat insulating' verification. 3
• Ensure dimensions qualify as building bricks, not tiles (<3.2cm thick)