Ruthenium on Alumina for Ammonia Synthesis Alternative from Mexico
Promoted ruthenium on high-alumina support as lower-pressure alternative to iron-based Haber-Bosch ammonia synthesis catalysts. Classified HTS 3815.12.00 for precious metal supported catalyst. Used in small-scale fertilizer production and hydrogen economy applications.
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
• Declare alkali/earth metal promoters; high-pressure rating certification; potential fertilizer classification if complete formulation