Zeolite-Supported Iron Ammonia Synthesis Catalyst from Germany
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 — 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
• 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