Fireclay Checker Brick for Regenerators from Mexico
Perforated fireclay bricks arranged in checkerwork patterns for heat recovery regenerators in glass and steelmaking furnaces. Optimized channels for gas flow at 1300-1400°C service. Specifically clay refractory bricks under HTS 6902.90.10.10.
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
• Include void percentage specs (30-50% typical) to confirm checker design for regenerator use
• Palletize in vertical stack configuration to prevent deformation during ocean transit
• Avoid generic 'perforated brick' description; specify regenerator end-use for proper heading