Zirconia-Supported Gold Catalyst for CO Oxidation from Germany
Gold nanoparticles on zirconia carrier for low-temperature carbon monoxide oxidation in fuel cell applications and air purification. HTS 3815.90.5000 covers this as a catalytic preparation not specifically enumerated.
Duty Rate — Germany → United States
15%
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
Import Tips
• Gold content verification by certified assayer prevents disputes
• Nano-particle size declarations for TSCA new chemical review
• Fuel cell end-use certification avoids defense export controls