Float Zone Crystal Grower Stationary Blades from China
Stationary blades in float zone crystal growers maintain precise positioning during the float zone melting process for high-purity silicon ingots used in semiconductor wafers. They support the RF coil and zone movement for defect-free crystal formation. Falls under HTS 8406.90.40.00 as stationary blades of steam turbines in semiconductor processing.
Duty Rate — China → United States
40%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Provide process flow diagrams showing steam turbine integration in float zone systems for customs validation
• Label with material composition (e.g
• high-temperature alloys) and tolerances to meet Chapter 84 specificity