Cryogenic BAHX for Helium Refrigeration Systems from Japan
Ultra-low temperature brazed aluminum plate-fin heat exchanger for helium liquefaction and refrigeration cycles in scientific applications. Falls under HTS 8419.50.10.00 for specialized cryogenic heat exchange.
Duty Rate — Japan → United States
14.2%
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
• Certify leak rates below 10^-9 atm-cc/sec and material purity >99.999% aluminum
• Include JT valve integration details if pre-assembled
• Research equipment may qualify for duty-free academic imports