Cryogenic BAHX for Helium Refrigeration Systems from China
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 — China → United States
39.2%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [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