Zeolite Y Reaction Initiator from Japan
Synthetic zeolite Y faujasite used as shape-selective catalyst in hydrocarbon cracking. HTS 3815.90.3000 for wholly inorganic aluminosilicate framework.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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