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
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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