High-Temperature Cage for Float Zone Crystal Puller Bearings from China
Inconel alloy cage for cylindrical roller bearings in float zone crystal pullers producing ultra-pure silicon boules without crucibles. Rated for 1400°C operation during zone refining process. 8482.99.65.60 covers parts for such semiconductor crystal growing equipment bearings.
Duty Rate — China → United States
40.8%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Material test reports must confirm Inconel 718 or equivalent high-temp alloy composition
• Link to specific float zone puller models (e.g
• Kayex FZ-T4000 series)
• Distinguish from Czochralski equipment parts via process temperature documentation