Cryocooler Heat Exchanger Module for Air Liquefaction from Japan
Compact brazed aluminum plate-fin heat exchanger module integrated into Stirling or Gifford-McMahon cryocoolers for small-scale air liquefaction. HTS 8419.60.10.00 applies as complete machinery containing the specified heat exchanger type for gas liquefaction processes.
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
• Provide thermal performance curves demonstrating liquefaction capability to distinguish from simple cryocoolers
• Document as complete functional unit, not heat exchanger part, for proper machinery classification
• Ensure RoHS compliance declarations for electronic components in cryocooler assemblies