Gallium Arsenide Crystal Puller Heat Exchanger from Japan
Specialized heat exchanger for compound semiconductor (GaAs) crystal pullers using Czochralski method, managing high-temperature vapor flows in the growth chamber. Falls under 8402.90.0010 as boiler parts for semiconductor material processing equipment.
Duty Rate — Japan → United States
14.3%
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
• Document GaAs-specific material compatibility and growth parameters
• Coordinate with BIS for dual-use technology licensing requirements
• Avoid bulk packaging classification by specifying OEM integration