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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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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