Silicon Boule Float Zone Centrifugal Separator from Mexico
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 — Mexico → United States
10%
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
• Provide float zone process diagrams illustrating centrifugal impurity separation
• Classify with reference to Czochralski/float zone methods in statistical notes