Silicon Boule Float Zone Centrifugal Separator from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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