Silver/Alumina Catalyst for Ethylene Oxide Production from Mexico
15-20% silver on low-surface-area alpha-alumina promoted with cesium for selective epoxidation of ethylene to ethylene oxide. HTS 3815.12.00 classification (silver as precious metal). Primary catalyst for global EO production.
Duty Rate — Mexico → 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
• Specify alpha-alumina phase (not gamma); cesium promoter levels critical; high-temperature stability certification