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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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