Silicon Wafer Polishing Slurry Pump
A specialized pump circulating colloidal silica slurries for chemical-mechanical polishing (CMP) of semiconductor wafers to a mirror finish required for fabrication. It is critical for final surface preparation in wafer manufacturing. This pump ensures consistent slurry flow for uniform polishing.
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 part of a machine for manufacturing semiconductor devices
Machines for semiconductor manufacturing are classified under heading 84.86.
If the pump is designed as a liquid elevator
Liquid elevators are classified separately from pumps.
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
• Document the pump's use in CMP slurry circulation to support classification under 8413.81.00
• Include specifications on particle handling and flow control
• Check if the pump is eligible for duty deferral under the Machinery Program
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