High-Alumina Firebrick from Japan
High-alumina firebrick containing over 50% alumina (Al2O3), fired after shaping for high-temperature resistance. Used in furnaces and kilns for lining to withstand extreme heat. Classifies under 6902.20.10.10 as refractory bricks made primarily of alumina.
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
• Verify alumina content exceeds 50% by weight via certified lab test (ASTM standards) for proper classification
• Provide firing certificates confirming post-shaping firing above 800°C to meet Chapter 69 requirements
• Avoid misclassification as non-refractory ceramics; include end-use documentation for industrial furnace applications