Glass Tank Alumina Furnace Brick from Mexico
Alumina-rich (>50% Al2O3) bricks for glass melting tank furnaces, offering resistance to molten glass corrosion. Refractory constructional ceramics fired after shaping. HTS 6902.20.10.10 specific to alumina bricks.
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 alkali resistance test results to validate glass industry refractory use
• Declare exact Al2O3/SiO2 percentages; mixtures must have alumina dominant for this code
• Palletize securely; bricks prone to chipping—inspect for damage upon arrival