Vanadium Phosphate Catalyst from Germany
Vanadium phosphorus oxide (VPO) catalyst used in n-butane selective oxidation to maleic anhydride. Classified under HTS 3815.90.1000 as inorganic vanadium compounds functioning as reaction accelerators. Provides high selectivity in gas-phase oxidation.
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
• Specify V/P atomic ratio (typically 1.0-1.2) in technical data sheets for authenticity
• Include process flow diagrams showing fixed-bed reactor application
• Confirm absence of organic templates used in some synthesis routes