Zeolite-Supported Iron Ammonia Synthesis Catalyst from Mexico
Promoted iron on zeolite support operates under high pressure/temperature for Haber-Bosch ammonia production. HTS 3815.19.00.00 as supported catalyst NESOI.
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 promoter analysis (K2O, Al2O3) critical for activity/stability claims
• Certify pre-reduced/activated status vs oxide precursor affecting classification
• High-pressure rating certification required for reactor safety compliance