3815.90.10.00/Tungsten Nitride Ammonia Synthesis Catalyst/Japan

Tungsten Nitride Ammonia Synthesis Catalyst from Japan

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 — Japan → United States

16.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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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

Tungsten Nitride Ammonia Synthesis Catalyst from Japan — Import Duty Rate | HTS 3815.90.10.00