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Pulley tackle and hoists other than skip hoists; winches and capstans; jacks. > Parts: > Of centrifuges, including centrifugal dryers > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 8421.91.90
Centrifugal Dryer Basket for Wafers
> A perforated titanium basket designed for centrifugal dryers that remove process fluids from semiconductor wafers after polishing. This part is essential to the drying function of the centrifuge and is classified under tariff item 8421.91.90 as "other" parts of centrifuges, not being a drying chamber for clothes-dryers or furniture for clothes-dryers.
Centrifuge Rotor Assembly
> A replacement rotor assembly for laboratory centrifuges used in semiconductor wafer processing to separate particles from liquids during crystal boule preparation. This component is a part of a centrifuge and falls under tariff item 8421.91.90 as "other" parts, excluding drying chambers for clothes-dryers and related furniture.
Centrifuge Safety Shroud
> A carbon fiber safety shroud designed to contain rotor fragments in case of failure during high-speed semiconductor slurry separation. This protective part is integral to the safe operation of a centrifuge and is classified under tariff item 8421.91.90 as "other" parts of centrifuges.
Crystal Puller Centrifuge Spindle
> A precision-ground spindle for driving rotors in centrifuges used with Czochralski crystal growers in semiconductor production. This component is a part of a centrifuge and falls under tariff item 8421.91.90 as "other" parts, not being a drying chamber for clothes-dryers.
High-G Centrifuge Bearing Housing
> An aluminum housing for precision bearings in high-G force centrifuges used for float zone crystal purification in semiconductors. This part maintains alignment under extreme speeds and is classified under tariff item 8421.91.90 as "other" parts of centrifuges.
Lab-Scale Wafer Centrifuge Drive Shaft
> A coupled drive shaft for laboratory centrifuges processing small wafer batches in R&D crystal grinding. This part is essential for the centrifuge's operation and is classified under tariff item 8421.91.90 as "other" parts of centrifuges.
Semiconductor Centrifuge Bowl
> A stainless steel centrifuge bowl for high-speed separation in semiconductor wafer lapping slurry purification systems. This component is a part of a centrifuge and falls under tariff item 8421.91.90 as "other" parts, not being a drying chamber for clothes-dryers.
Slurry Centrifuge Scroll Conveyor
> A helical scroll conveyor inside decanter centrifuges for continuous slurry discharge in semiconductor wafer grinding operations. This part is essential for the centrifuge's function and is classified under tariff item 8421.91.90 as "other" parts of centrifuges.
Vibration Isolation Mount for Centrifuge
> Elastomer vibration isolation mounts for semiconductor processing centrifuges preventing wafer defect transmission. These mounts are essential for stable operation during crystal boule grinding and are classified under tariff item 8421.91.90 as "other" parts of centrifuges.
Wafer Processing Centrifuge Lid
> A pressure-sealed lid with safety interlocks for centrifuges in semiconductor crystal grinding operations. This part is essential for containing high-speed rotations during fluid processing and is classified under tariff item 8421.91.90 as "other" parts of centrifuges.