Zirconia-Supported Gold Catalyst for CO Oxidation from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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