Crystal Puller Seed Holder Chuck from China
A rotating graphite or molybdenum chuck that precisely grips silicon seed crystals during Czochralski pulling in heading 84.26 pullers. This critical growth interface part is classified under tariff item 8431.49.00 as a part suitable for use solely or principally with the machinery of headings 84.25 to 84.30.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the chuck is declared as a part of Czochralski crystal pullers under heading 84.26
• Provide evidence of its specific design for semiconductor crystal growth
• Check if the goods require any import permits under Canadian nuclear or dual-use controls