Chrome-Alumina Refractory Brick from China
Direct-bonded chrome-alumina brick (>50% Al2O3 with chromic oxide) for glass furnace regenerator checkers. Exceptional corrosion resistance to glass melts. Classifies 6902.20.10 despite chrome, as alumina primary.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Analyze for chromic oxide content; high chrome may trigger 6903 scrutiny
• Provide bonding process details (direct vs fused) for classification
• Comply with REACH if EU origin due to hexavalent chromium concerns