Chrome-Magnesite Checker Bricks from Mexico
Perforated checker bricks with >50% Cr2O3 and MgO for regenerative heat recovery in glass and metallurgical furnaces. The lattice structure maximizes heat exchange efficiency. Classified HTS 6902.10.50.00 as refractory bricks of specified oxide composition.
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
• Specify 'checker' design in documentation to distinguish from solid bricks
• Monitor hex chrome content for REACH compliance in addition to US EPA rules
• Import in bulk pallets, not retail packaging, to maintain industrial classification