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
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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