Periclase Furnace Roof Tiles from Mexico
Curved magnesia tiles for electric arc furnace roofs in steel production. Classified HTS 6815.91.00 for periclase magnesia composition as mineral articles. Designed for extreme temperatures above 1700°C.
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 roof tile curvature in technical drawings
• Avoid generic 'refractory' labeling that triggers 6902 review
• Batch certificates needed for consistent MgO content