Czochralski Crystal Puller Vacuum Pump
A specialized vacuum pump used in Czochralski crystal growers to create a vacuum environment for producing monocrystalline silicon boules. It is essential for maintaining the purity and integrity of the crystal growth process.
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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the pump is used in a refrigeration cycle within the crystal puller
Refrigeration compressors are classified under this item.
If the pump is not specifically designed for crystal pulling
Other vacuum pumps fall under this residual item.
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 the pump is solely for vacuum creation, not integrated with the puller
• Keep records of the pump's specifications to support classification
• Check if the pump qualifies for any duty relief programs for semiconductor equipment
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