Czochralski Crystal Puller Rotating Blades from Germany
These rotating blades are integral components in Czochralski method crystal pullers used to produce monocrystalline silicon boules for semiconductor wafers. They facilitate the precise rotation and dipping of the seed crystal into molten silicon, ensuring uniform crystal growth. Classified under HTS 8406.90.40.00 as rotating blades specifically for steam turbines in semiconductor crystal growing equipment.
Duty Rate — Germany → United States
15%
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
• Verify blades are designed for steam turbine-driven crystal pullers with manufacturer specs to confirm 8406 classification
• Include detailed engineering drawings and end-use statements proving semiconductor manufacturing application to avoid misclassification