Hollow Ceramic Building Bricks 8x4x16 Inch from Japan
These hollow ceramic building bricks, measuring 8x4x16 inches, are fired after shaping from clay mixtures and used in residential and commercial wall construction. They fall under HTS 6904.10.00.40 as hollow building bricks other than refractory types, providing lightweight insulation and structural support.
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
• Verify firing temperature exceeds 800°C per Chapter 69 notes to confirm classification as ceramic building bricks
• Provide mill test certificates showing clay composition and water absorption to avoid misclassification as refractory bricks
• Ensure dimensions and hollowness specs match 'hollow bricks' definition to prevent reclassification to solid bricks