Alumina-Supported Nickel Methanation Catalyst from Mexico
Nickel dispersed on high-surface-area alumina serves as a catalyst for CO methanation in syngas processing. Classified under 3815.19.00.00 as a supported catalyst not qualifying for base metal subheadings due to specific preparation.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide BET surface area analysis confirming high-support characteristics essential for 3815 classification
• Declare nickel loading percentage accurately; excessive metal may trigger 3815.11 base metal heading
• Include reaction test data demonstrating methanation activity to distinguish from mere chemical compounds