Alumina Ceramic Retort for Chemical Processing from Mexico
Fired alumina retort (>80% Al2O3) used for high-temperature chemical reactions and distillation. Refractory vessel withstands corrosive environments and thermal shock, classified HTS 6903.20.00.00.
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
• Provide chemical compatibility certificates and thermal expansion data
• Classify as discrete refractory article, not chemical reactor component
• Ensure marking shows material composition and firing specifications