Glazed Clay Chimney Wall Tile from Mexico
Glazed clay tiles lining chimney interiors, engineered for >10% absorption in variable moisture conditions. HTS 6907.23.90 covers these specialized glazed wall tiles of high porosity. Fired ceramic excluding refractory bricks.
Duty Rate — Mexico → United States
18.5%
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 heat resistance < refractory levels to stay out of 6904/6903
• Declare as wall tiles; hearth confusion common reclassification risk
• Absorption variance testing essential for clay source consistency