Zirconia-Supported Gold Catalyst for CO Oxidation from Canada
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 — Canada → United States
15%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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