Crystal Boule Grinder Slurry Pump
An abrasive slurry pump used in crystal grinders to shape silicon boules to exact wafer diameters and flats. It falls under this tariff item as a pump for liquid handling in semiconductor wafer preparation equipment, providing consistent slurry flow.
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 imported as part of a complete machine for manufacturing semiconductor devices
Machines for the manufacture of semiconductor devices are classified under heading 8486.
If imported as a part of a pump
Parts of pumps are classified under this subheading.
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 designed specifically for semiconductor manufacturing processes, not general industrial use
• Ensure it is presented as a component of wafer preparation equipment
• Have technical documentation showing its role in slurry delivery for grinding
Related Products under Tariff item 8413.81.00
Axial Flow Turbine Pump for Aquaculture
An axial flow turbine pump designed to circulate water in fish farming ponds and raceways. Its fish-safe impeller prevents injury to aquatic life while handling large volumes of water efficiently. This pump falls under tariff item 8413.81.00 as an other pump for liquids, not elsewhere specified.
Chemical Vapor Deposition Precursor Pump
Ultra-clean pump designed for delivering liquid semiconductor precursors in chemical vapor deposition (CVD) equipment used in wafer processing. It handles volatile organic precursors with contamination-free delivery, ensuring precise and reliable material deposition. This pump is essential for maintaining the purity and consistency required in semiconductor manufacturing.
CMP Slurry Filtration Pump
Pump designed to recirculate filtered chemical-mechanical polishing (CMP) slurry, maintaining abrasive particle distribution for uniform wafer polishing rates. This ensures consistent surface quality across production batches. It is a specialized pump for semiconductor fabrication processes.
Compact Turbine Pump for Beverage Processing
A sanitary turbine pump designed for transferring juices, syrups, and beverages in food processing. Its hygienic construction is cleanable in place (CIP) and meets food-grade standards. This pump is classified under 8413.81.00 as an other liquid pump, not elsewhere specified.
Crystal Ingot Annealing Fluid Pump
A thermal fluid pump for controlled cooling in silicon ingot annealing furnaces post-growth. It is classified under this tariff item as a pump used in wafer manufacturing equipment, preventing thermal stress cracks in boules.
Czochralski Crystal Puller Pump
Pump integral to Czochralski crystal growers used in semiconductor manufacturing to produce monocrystalline silicon boules. It circulates molten silicon precisely during the pulling process, ensuring crystal uniformity. This pump is critical for high-quality wafer production.