Float Zone Seed Holder Chuck from Germany
Precision chuck holding polycrystalline seed at exact melting interface during float zone silicon purification. Classified under HTS 8479.90.95.65 for parts of zone refining metal treating apparatus.
Duty Rate — Germany → 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
• Specify thermal expansion matching to silicon coefficients
• Document surface finish requirements for seed attachment
• Include RF shielding specifications if applicable