High-Temperature Cage for Float Zone Crystal Puller Bearings from Mexico
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 — Mexico → United States
30.8%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 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