</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Gallium Arsenide Crystal Puller Heat Exchanger from Canada

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 — Canada → United States

14.3%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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