Wafer Processing Centrifuge Lid
Pressure-sealed lid with safety interlocks for centrifuges in semiconductor crystal grinding operations. HTS 8421.91.60.00 covers this as other centrifuge part essential for containing high-speed rotations during fluid purification. Features cleanroom-compatible seals for particle-free environments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If part of filtering/purifying apparatus instead
Parts identifiable with filtering machinery (not centrifuges) go to 8421.99.
If dedicated semiconductor wafer processing equipment
Statistical notes specify parts for wafer manufacturing machines in 8479.90.
If simple metal mountings or fittings
Basic hardware elements classified separately from machinery-specific parts.
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Import Tips & Compliance
• Include pressure test reports and safety certification to prove centrifuge-specific function
• Document cleanroom compatibility (ISO Class 1-5) to support semiconductor end-use claims
• Avoid bulk packaging that could lead to classification as unfinished goods under different headings
Related Products under HTS 8421.91.60.00
Centrifuge Rotor Assembly
Replacement rotor assembly for laboratory centrifuges used in semiconductor wafer processing to separate particles from liquids during crystal boule preparation. Classified under 8421.91.60.00 as a part of centrifuges for high-precision purification in semiconductor manufacturing. Ensures contaminant-free slurries for wafer grinding and polishing.
Semiconductor Centrifuge Bowl
Stainless steel centrifuge bowl for high-speed separation in semiconductor wafer lapping slurry purification systems. Falls under 8421.91.60.00 as 'other' parts of centrifuges used in preparing ultra-flat wafer surfaces. Critical for removing abrasives and achieving nanometer-level tolerances.
Centrifugal Dryer Basket for Wafers
Perforated titanium basket for centrifugal dryers removing process fluids from semiconductor wafers post-polishing. Under 8421.91.60.00 as parts of centrifugal dryers used in wafer preparation sequence. Designed for spin-drying without surface damage.
Slurry Centrifuge Scroll Conveyor
Helical scroll conveyor inside decanter centrifuges for continuous slurry discharge in semiconductor wafer grinding operations. HTS 8421.91.60.00 for other centrifuge parts handling abrasive semiconductor polishing slurries. Tungsten carbide coating for wear resistance.
High-G Centrifuge Bearing Housing
Aluminum housing for precision bearings in high-G force centrifuges used for float zone crystal purification in semiconductors. Classified 8421.91.60.00 as essential other part maintaining alignment under extreme speeds. Vibration-dampening design for defect-free processing.
Vibration Isolation Mount for Centrifuge
Elastomer vibration isolation mounts for semiconductor processing centrifuges preventing wafer defect transmission. Classified under 8421.91.60.00 as other essential parts for stable operation during crystal boule grinding. Tuned natural frequency below process RPMs.