Crystal Boule Cooling Zone Heat Exchanger from Germany
This heat exchanger controls the cooling gradient in the post-growth zone of semiconductor crystal pullers, preventing thermal stress in silicon boules. It is classified under tariff item 8402.90.00 as a part of vapour generating boiler systems used in wafer manufacturing.
Duty Rate — Germany → Canada
0%
Import Tips
• Confirm the heat exchanger is specifically designed for vapour generating systems; if it is a general-purpose heat exchanger, other headings may apply
• Keep engineering drawings showing its integration with boiler systems for CBSA review
• Check if the goods are eligible for duty relief under the Machinery Program or similar initiatives