Zeolite Y Activated Powder for Gas Separation from Japan
Synthetic zeolite Y activated through calcination for molecular sieve applications in gas purification. Though mineral-like, its activation for adsorption qualifies it under HTS 3802.90.2000 as activated natural mineral product. Used in industrial oxygen concentrators and drying systems.
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
• Submit pore size and adsorption isotherm data to prove activated status
• Classify as powder form only; pelleted versions may require different treatment
• Comply with pressure vessel regulations if destined for gas handling equipment