Czochralski Crystal Puller
A mechanical appliance used to grow monocrystalline silicon boules by pulling a seed crystal from molten silicon in the Czochralski process. It projects and controls molten material precisely for semiconductor wafer production. This appliance is classified under 8424.89.00 as an 'other appliance' for projecting liquids, though it is primarily a crystal growth machine.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the puller has functions beyond projecting liquids
Machines with multiple functions may be classified under heading 84.79.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm that the crystal puller is not classified as a furnace (heading 85.14) if it includes heating elements
• Provide CBSA with the machine's principal function to support classification
• Declare any associated control systems separately
Related Products under Tariff item 8424.89.00
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Crystal Boule Grinder
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