Czochralski Crystal Puller Heater Element from China
A graphite or molybdenum heater element designed specifically for Czochralski crystal growers used in semiconductor wafer production, falling under machines of 8472.90.50. It provides precise high-temperature control for pulling monocrystalline silicon boules. Classified as a part of semiconductor manufacturing equipment in HTS 8473.40.41.00.
Duty Rate — China → United States
39.5%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Verify compatibility certification with specific 8472.90.50 machines to avoid misclassification as general machinery parts
• Include detailed technical specs and end-use statements proving sole use in semiconductor wafer manufacturing