Zeolite Y Reaction Initiator from Mexico
Synthetic zeolite Y faujasite used as shape-selective catalyst in hydrocarbon cracking. HTS 3815.90.3000 for wholly inorganic aluminosilicate framework.
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
• Si/Al ratio certification (>5) distinguishes catalytic zeolites from ion-exchange resins
• XRD patterns verify crystalline structure essential for catalytic activity
• Hydrothermal stability test results support industrial catalyst claims