Silicon Boule Float Zone Centrifugal Separator from Canada
Centrifugal separator part for float zone crystal growers producing high-purity silicon boules for wafer slicing in semiconductors. Classified in HTS 8421.99.0180 as centrifuge parts for semiconductor material growth per statistical note (a)(i). Achieves zone refining via centrifugation.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide float zone process diagrams illustrating centrifugal impurity separation
• Classify with reference to Czochralski/float zone methods in statistical notes