Engineering Hollow Ceramic Bricks Class SX from Japan
Class SX engineering hollow ceramic bricks for severe weather exposure, high-fired clay construction units. Under HTS 6904.10.00.40 as other hollow bricks for demanding structural applications.
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
• Include weathering resistance test results (ASTM C902) for engineering grade verification
• Ensure no surface treatments pushing into glazed tile classifications
• Document firing uniformity to meet Chapter 69 inorganic nonmetallic materials definition