High-Alumina Ceramic Nozzle for Continuous Casting from Mexico
Refractory nozzle made from alumina-silica mixture (>70% Al2O3) used in steel continuous casting to control molten metal flow. Fired ceramic construction withstands extreme temperatures, classified under HTS 6903.20.00.00 as other refractory ceramic goods.
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 metallurgical test reports showing Al2O3/SiO2 composition and refractory properties
• Declare specific industrial application to prevent reclassification as general machinery parts
• Ensure packaging separates nozzles from assembly sets to avoid set classification issues