Czochralski Crystal Puller
A Czochralski crystal puller is specialized machinery used to grow monocrystalline silicon boules by melting polycrystalline silicon and slowly pulling a seed crystal to form ingots for semiconductor wafer production. It is classified under tariff item 8419.89.00 as it involves temperature change for material processing.
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 is solely or principally used for semiconductor manufacture
Machines for semiconductor manufacture are classified under heading 84.86.
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
• Classify the crystal puller as a complete machine with its heating and cooling systems
• Provide detailed specifications to the CBSA to distinguish it from furnaces of heading 85.14
• Check if the equipment requires any special permits for semiconductor manufacturing
Related Products under Tariff item 8419.89.00
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This equipment steams wood chips in batches to soften them before mechanical defibrillation in pulp production. The steaming process involves a change of temperature, which is essential for preparing the chips for fiber separation. It falls under tariff item 8419.89.00 as other machinery for the treatment of materials by a process involving a change of temperature.
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