Zirconia-Supported Molybdenum Hydrodesulfurization Catalyst from Japan
MoS2 on zirconia promotes hydrodesulfurization removing sulfur from diesel fuel. Falls under 3815.19.00.00 as supported catalyst preparation NESOI with complex metal-support interaction.
Duty Rate — Japan → United States
10%
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
• Include sulfiding procedure documentation proving activated catalyst status
• Certify zirconia purity >90% to distinguish from 3815.14 ceramic-supported catalysts
• Declare spent catalyst regeneration status; fresh vs regenerated affects valuation