Wafer Grinder Coolant Recycling Fan

Fan system for recycling coolant in wafer grinders, maintaining temperature during boule diameter and flat grinding for semiconductor wafers. Categorized under HTS 8414.59.65.95 as other fans for crystal grinder apparatus per statistical notes. Prevents thermal distortion in precision wafer prep.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.3%+35.0%37.3%
🇲🇽Mexico2.3%+10.0%12.3%
🇨🇦Canada2.3%+10.0%12.3%
🇩🇪Germany2.3%+10.0%12.3%
🇯🇵Japan2.3%+10.0%12.3%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8421.21.00Lower: 35% vs 37.3%

If for liquid filtration in non-semis

Water filtering machinery separate from gas fan provisions.

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Import Tips & Compliance

Coolant filtration specs required for classification; EPA compliance for recycling systems

Common error: treating as general coolant pump

Related Products under HTS 8414.59.65.95

Czochralski Crystal Puller Vacuum Pump

This vacuum pump is integral to Czochralski crystal growers used in semiconductor manufacturing to produce monocrystalline silicon boules by maintaining a controlled vacuum environment during the crystal pulling process. It falls under HTS 8414.59.65.95 as an other fan or vacuum pump specialized for semiconductor wafer production equipment. The pump ensures ultra-pure conditions essential for slicing high-quality wafers.

Float Zone Crystal Grower Exhaust Fan

High-precision exhaust fan designed for float zone crystal growers in semiconductor production, removing inert gases and maintaining vacuum integrity during monocrystalline boule formation. Classified under HTS 8414.59.65.95 as other fans for semiconductor processing apparatus per statistical notes on crystal growers. Critical for preventing contamination in wafer precursor manufacturing.

Wafer Slicing Saw Vacuum Pump

Specialized vacuum pump for wafer slicing saws that cut monocrystalline semiconductor boules into thin wafers, providing precise vacuum hold-down during high-speed diamond saw operations. It qualifies under HTS 8414.59.65.95 as other vacuum pumps for semiconductor wafer preparation equipment noted in statistical provisions. Ensures minimal material loss and flatness for subsequent processing.

Crystal Boule Grinder Cooling Fan

Cooling fan for crystal grinders that shape semiconductor boules to exact wafer diameters and flats indicating conductivity, preventing overheating during precision grinding. Falls under HTS 8414.59.65.95 as other fans for wafer preparation apparatus in semiconductor statistical notes. Maintains thermal stability for accurate resistivity marking.

Wafer Lapping Machine Vacuum Pump

Vacuum pump supplying hold-down force for wafer lappers that achieve precise flatness on semiconductor wafers post-slicing, preparing surfaces for fabrication. Classified in HTS 8414.59.65.95 per notes on wafer grinders, lappers, and polishers for semiconductor processing. Critical for dimensional tolerances in device manufacturing.

Semiconductor Wafer Polisher Exhaust Fan

Exhaust fan for wafer polishers that deliver mirror-finish surfaces on semiconductor wafers by chemical-mechanical planarization, removing debris under vacuum conditions. Under HTS 8414.59.65.95 as other fans for statistical note wafer preparation equipment. Ensures particulate-free environment for IC fabrication.