Tungsten Nitride Ammonia Synthesis Catalyst from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, 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