Tungsten Nitride Ammonia Synthesis Catalyst from Mexico
W2N catalytic phase for high-pressure ammonia synthesis as Haber-Bosch alternative. Inorganic nitride classified under HTS 3815.90.1000 as reaction accelerator. Nitrogenase-inspired structure.
Duty Rate — Mexico → United States
16.5%
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
• N2 dissociation activity data essential for catalyst classification
• Cubic WN phase confirmation via XRD differentiates from wear coatings
• High-pressure reactor compatibility specifications