Crystal Boule Cooling Station from Canada
Industrial cooling apparatus for controlled annealing of monocrystalline silicon boules after Czochralski crystal growth, preventing defects from thermal stress. Classified in 8419.89.9540 for semiconductor material treatment involving precise temperature reduction. Essential for wafer manufacturing preparation.
Duty Rate — Canada → United States
64.2%
Rate breakdown
9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide crystal grower integration specs and cooling rate data to confirm classification
• Ensure documentation distinguishes from general industrial chillers under 8418