Czochralski Puller Crucible Heating Windings from Canada
Induction heating windings surrounding graphite crucibles in Czochralski crystal pullers for silicon melting at 1420°C. Core temperature treatment component per statistical note (a)(i). Classifies under 8419.90.95 machinery parts.
Duty Rate — Canada → United States
14%
Rate breakdown
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
• Certify windings for ultra-high vacuum/argon atmosphere operation
• Provide power-frequency specs matching CZ puller electrical systems
• Include contamination analysis reports for polysilicon purity maintenance