Super-Duty Fireclay Refractory Brick from Mexico
Premium super-duty fireclay brick with superior creep resistance for crown construction in reheating furnaces serving at 1500°C+. Low iron formulation enhances slag resistance. HTS 6902.90.10.10 clay brick classification.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify <2% Fe2O3 content for super-duty claims during entry summary filing
• Use steel banding on pallets; higher strength needed for premium dense bricks
• Document via purchase orders showing industrial end-use to support refractory status