Crystal Grinder Coolant Recirculation Pump Impeller
Backward-curved impeller for coolant recirculation pumps in crystal grinders, handling debris from boule diameter grinding. Part of semiconductor pumps under HTS 8413.91.9010. Designed for continuous operation in wafer prep lines.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If impellers for different pump subheadings
Impeller provisions tied to specific pump classifications.
If parts of grinding machines directly
Machine-specific parts may classify with grinder rather than pump.
If aluminum investment cast construction
Aluminum articles classification for cast components.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Specify impeller curve type and RPM rating; debris tolerance documentation; balance grade certification
Related Products under HTS 8413.91.90.10
Canned Motor Pump Impeller
A precision-machined impeller designed specifically for canned motor pumps used in high-purity liquid handling during semiconductor wafer processing. It falls under HTS 8413.91.9010 as a part of pumps classified in subheading 8413.30.90, which covers liquid pumps fitted for semiconductor manufacturing. The impeller ensures efficient fluid circulation without contamination in crystal growth systems.
Semiconductor Wafer Cooling Pump Rotor
A stainless steel rotor assembly for liquid cooling pumps used in temperature-controlled environments during semiconductor wafer fabrication. Classified under HTS 8413.91.9010 as a part of 8413.30.90 pumps for semiconductor processing. It maintains precise coolant flow to prevent thermal damage in crystal pullers.
Crystal Puller Slurry Pump Housing
Corrosion-resistant housing for slurry pumps in Czochralski crystal pullers, handling abrasive semiconductor slurries during boule formation. This part is for pumps in HTS 8413.30.90, thus under 8413.91.9010. It protects internal components from wear in wafer manufacturing equipment.
Wafer Grinding Coolant Pump Shaft
High-precision shaft for coolant pumps in wafer grinding, lapping, and polishing machines, ensuring vibration-free operation. Falls under HTS 8413.91.9010 as part of 8413.30.90 semiconductor pumps. Critical for maintaining wafer flatness tolerances.
Monocrystalline Boule Polishing Pump Valve Assembly
Specialized valve assembly for polishing pumps used in preparing monocrystalline semiconductor boules for wafer slicing. Classified in HTS 8413.91.9010 for parts of 8413.30.90 pumps in semiconductor processing. Controls precise chemical flow rates.
Float Zone Crystal Grower Circulation Pump Diffuser
Custom diffuser for circulation pumps in float zone crystal growers, optimizing argon gas-liquid flow for pure silicon production. Part of HTS 8413.30.90 pumps, thus 8413.91.9010. Essential for defect-free monocrystalline boules.