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Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. > Parts: > Other
Duty Rate (from China)
Products classified under Tariff item 8421.9
Anti-Vibration Drying Chamber for Stackable Washer-Dryer Unit
A drying chamber engineered with vibration-dampening mounts for stackable washer-dryer combinations, constructed from stainless steel with reinforced ribs. It is a part of a clothes-dryer that incorporates a drying chamber, falling under tariff item 8421.91.10.
8421.91.10Corrosion-Resistant Drying Chamber for Coastal Use Dryers
A heavy-duty drying chamber made of marine-grade stainless steel for household clothes-dryers in coastal environments, featuring enhanced seals to resist salt corrosion. It is designed for extended service life and qualifies as a part of a clothes-dryer incorporating a drying chamber.
8421.91.10Galvanized Steel Drying Chamber Assembly for Vented Tumble Dryer
A complete galvanized steel drying chamber assembly for vented household tumble clothes-dryers, including drum, baffles, and mounting flanges. The corrosion-resistant coating extends the product's life, and it is a part of a clothes-dryer with a drying chamber.
8421.91.10High-Capacity Stainless Drying Drum for Compact Household Dryer
An oversized stainless steel drying drum for compact household clothes-dryers, optimized for higher laundry loads with enhanced lifter design. It features precision balancing and is a part of a clothes-dryer incorporating a drying chamber.
8421.91.10Large Diameter Drying Drum for European-Style Household Dryer
A wide-diameter drying drum for European-style household clothes-dryers, featuring multiple segmented lifters for gentle fabric handling and a powder-coated finish. It is a part of a clothes-dryer with a drying chamber.
8421.91.10Perforated Aluminum Drying Drum for Front-Load Clothes Dryer
A perforated aluminum drying drum for front-loading household clothes dryers, with precisely engineered holes for airflow and lifters to agitate fabrics. It ensures even drying and is a part of a clothes-dryer incorporating a drying chamber.
8421.91.10Plastic-Lined Drying Chamber for Condenser Clothes Dryer
A hybrid drying chamber with an internal plastic lining for condenser-type household clothes-dryers, reducing noise and protecting delicate fabrics while maintaining steel structural integrity. It is a part of a clothes-dryer with a drying chamber.
8421.91.10Quiet-Operation Polymer-Coated Drying Drum
A noise-reducing polymer-coated drying drum for premium household tumble dryers, minimizing operational sound through surface damping and optimized airflow paths. It is a part of a clothes-dryer incorporating a drying chamber.
8421.91.10Replacement Drying Chamber Kit for Gas-Powered Tumble Dryer
An aftermarket replacement drying chamber kit for gas-powered household tumble dryers, including drum, seals, and felt glides for complete installation. It is built for durability in high-heat gas drying environments and is a part of a clothes-dryer with a drying chamber.
8421.91.10Stainless Steel Drying Chamber for Household Tumble Dryer
A stainless steel drying chamber that is a key component of household clothes dryers, designed to contain and tumble laundry during the drying cycle while facilitating hot air circulation. It incorporates a drying chamber and is a part of a clothes-dryer.
8421.91.20Electrolux Dryer Elevated Platform Cabinet
This elevated platform cabinet is specifically designed to receive and support a clothes-dryer, providing a stable base and additional storage. It is classified under this tariff item as furniture designed to receive clothes-dryers, which is a part of centrifuges including centrifugal dryers.
8421.91.20GE Appliances Dryer Mounting Stand
This mounting stand is robust furniture crafted to receive clothes-dryers, featuring vibration-dampening pads and an exact-fit chassis. It falls under this tariff item as furniture designed to receive clothes-dryers, a part of centrifugal dryers.
8421.91.20LG Front-Load Dryer Pedestal Drawer
This pedestal drawer unit elevates front-loading clothes-dryers, providing storage and a perfect fit receptacle with anti-vibration mounts. It is classified under this tariff item as furniture designed to receive clothes-dryers, a part of centrifugal dryers.
8421.91.20Samsung Bespoke Dryer Stacking Kit Base
This stacking base serves as furniture to securely receive clothes-dryers, with integrated leveling feet and dryer-specific brackets for safe vertical installation. It falls under this tariff item as furniture designed to receive clothes-dryers, a part of centrifugal dryers.
8421.91.20Whirlpool Clothes Dryer Base Cabinet
This furniture cabinet is specifically designed to receive and support electric clothes-dryers, featuring precise dimensions for stable mounting and ventilation slots for heat dissipation. It is classified under this tariff item as furniture designed to receive clothes-dryers, a part of centrifugal dryers.
8421.91.90Centrifugal Dryer Basket for Wafers
A perforated titanium basket for centrifugal dryers used to remove process fluids from semiconductor wafers post-polishing. This basket is a part of a centrifuge, classified under 8421.91.90 as 'Other' parts of centrifuges, including centrifugal dryers.
8421.91.90Centrifuge Rotor Assembly
A replacement rotor assembly for laboratory centrifuges used in semiconductor wafer processing to separate particles from liquids. This rotor assembly is a part of a centrifuge, classified under 8421.91.90 as 'Other' parts of centrifuges.
8421.91.90Centrifuge Safety Shroud
A carbon fiber safety shroud containing rotor fragments in case of failure during high-speed semiconductor slurry separation. This shroud is a part of a centrifuge, classified under 8421.91.90 as 'Other' parts of centrifuges.
8421.91.90Crystal Puller Centrifuge Spindle
A precision-ground spindle for driving rotors in centrifuges used with Czochralski crystal growers in semiconductor production. This spindle is a part of a centrifuge, classified under 8421.91.90 as 'Other' parts of centrifuges.
8421.91.90High-G Centrifuge Bearing Housing
An aluminum housing for precision bearings in high-G force centrifuges used for float zone crystal purification in semiconductors. This housing is a part of a centrifuge, classified under 8421.91.90 as 'Other' parts of centrifuges.
8421.91.90Lab-Scale Wafer Centrifuge Drive Shaft
A coupled drive shaft designed for laboratory-scale centrifuges used in R&D crystal grinding of small wafer batches. Its quick-change coupling supports rapid process changes in semiconductor research environments. Classified as other parts of centrifuges under this tariff item.
8421.91.90Semiconductor Centrifuge Bowl
A stainless steel centrifuge bowl used for high-speed separation in semiconductor wafer lapping slurry purification systems. It is essential for preparing ultra-flat wafer surfaces by removing particulates from the slurry. Classified as other parts of centrifuges under this tariff item.
8421.91.90Slurry Centrifuge Scroll Conveyor
A helical scroll conveyor used inside decanter centrifuges for continuous slurry discharge in semiconductor wafer grinding operations. It handles abrasive semiconductor polishing slurries, ensuring efficient separation. Classified as other parts of centrifuges under this tariff item.
8421.91.90Vibration Isolation Mount for Centrifuge
Elastomer vibration isolation mounts designed for semiconductor processing centrifuges to prevent wafer defect transmission during operation. They are essential for stable operation during crystal boule grinding. Classified as other parts of centrifuges under this tariff item.
8421.91.90Wafer Processing Centrifuge Lid
A pressure-sealed lid with safety interlocks for centrifuges used in semiconductor crystal grinding operations. It contains high-speed rotations during fluid processing, ensuring operator safety and process integrity. Classified as other parts of centrifuges under this tariff item.
8421.99.00Air Ionizer Filter Housing
> A housing designed to contain HEPA filters within air purifying systems that also incorporate ionizers, intended for cleanroom environments in semiconductor fabrication facilities. As a structural component of gas filtering apparatus, it is classified as a part under this tariff item.
8421.99.00Backwash Valve for Water Filters
A multi-port valve that enables cleaning cycles in sand or multimedia water filtration systems. It is a specialized part for water purifying machinery, directing flow for filtration and backwashing.
8421.99.00Carbon Block Filter End Caps
Precision-machined plastic caps that seal carbon block cartridges in water filtration housings. They are essential retention components for water purification systems.
8421.99.00Centrifugal Dryer Housing Assembly
> The outer housing and structural assembly for industrial centrifugal dryers used in semiconductor wafer processing to remove liquids from wafers after rinsing. As a dedicated part of centrifugal dryers, it is classified under this tariff item for parts of centrifuges.
8421.99.00Centrifuge Rotor Bowl
> The rotating bowl component of industrial centrifuges used for separating chemicals in semiconductor precursor preparation. As a key part of centrifuges for liquids processing, it is classified under this tariff item for parts of centrifuges.
8421.99.00Chemical Vapor Filter Cartridge Base
> A base plate for replaceable cartridges in chemical vapor filters that remove byproducts from semiconductor CVD exhaust gases. As a component of gas purifying apparatus, it is classified as a part under this tariff item.
8421.99.00Crystal Boule Slicing Saw Coolant Filter Module
A modular filter designed to clean coolant in wafer slicing saws that cut monocrystalline boules into semiconductor wafers. It removes particulates and impurities from the liquid coolant, ensuring consistent cutting performance. This part is classified under tariff item 8421.99.00 as a component of liquid filtering machinery for semiconductor manufacturing.
8421.99.00Czochralski Crystal Puller Centrifuge Module
A specialized centrifuge component used in Czochralski crystal pullers to separate impurities during the growth of monocrystalline silicon boules. It operates as a centrifuge part within the crystal growth apparatus, aiding in the purification of the melt. This part is classified under tariff item 8421.99.00 as a centrifuge part for semiconductor material processing.
8421.99.00Deionization Cartridge Mounting Rack
A stainless steel wall-mount rack that holds mixed-bed deionization cartridges for laboratory ultrapure water systems. It is specific to water purification equipment.
8421.99.00Distillation Unit Condenser Coil
A copper tubing coil that condenses steam into purified water in countertop distillation systems. It is specific to water purification apparatus.
8421.99.00Exhaust Gas Quencher Nozzle Array
> An array of spray nozzles used in gas quenching modules to rapidly cool reactive semiconductor process exhaust before purification. As a component of gas purifying systems, it is classified as a part under this tariff item.
8421.99.00Float Zone Crystal Grinder Coolant Purifier
A purifying apparatus that cleans coolant fluids used in crystal grinders which shape semiconductor boules to precise diameters. It removes contaminants from the coolant, maintaining the required purity and temperature for grinding operations. This part is classified under tariff item 8421.99.00 as a part of purifying machinery for liquids in semiconductor manufacturing.
8421.99.00Gallium Arsenide Wafer Lapping Filter Assembly
A filter part for lapping machines that flatten semiconductor wafers sliced from gallium arsenide boules. It ensures the lapping slurry remains free of debris, which is critical for achieving surface flatness. This part is classified under tariff item 8421.99.00 as a component of liquid filtering machinery for semiconductor wafer preparation.
8421.99.00Gas Purifier Inlet Manifold
> A stainless steel manifold that distributes process gases into point-of-use purifiers for removing impurities in semiconductor etching and deposition processes. As a component of gas purifying apparatus, it is classified as a part under this tariff item.
8421.99.00Inline Water Filter Head Assembly
A brass head assembly with 1/4-inch quick connects for under-sink inline carbon filters. It is a part of water purification machinery.
8421.99.00Ion Exchange Resin Tank Adapter
A specialized fitting that connects ion exchange resin tanks to water softening or purification manifolds. It plays a role in water purification processes.
8421.99.00Liquid Filter Membrane Holder
> A precision holder for replaceable membranes in inline filters that purify photoresist developers and cleaners for semiconductor wafers. As a component of liquid filtering apparatus, it is classified as a part under this tariff item.
8421.99.00Photoresist Filter Head Assembly
> A head assembly that connects high-pressure photoresist filters in dispense systems for semiconductor lithography coaters. As a component of liquid filtering apparatus, it is classified as a part under this tariff item.
8421.99.00Point-of-Use Gas Scrubber Tank
> A containment tank for wet scrubbers that neutralize acid gases at point-of-use in semiconductor process tools. As a component of gas purifying apparatus, it is classified as a part under this tariff item.
8421.99.00Pool Filter Multiport Valve
A 7-position valve that controls filter, backwash, and rinse functions in sand filter pools. It is a dedicated water purification component.
8421.99.00Pressure Tank Bladder Replacement Kit
A butyl rubber bladder kit for hydropneumatic pressure tanks in well water conditioning systems. It is essential for water storage and purification integration.
8421.99.00Process Gas coalescing Filter Bowl
> A pressure vessel bowl that collects liquid aerosols from coalescing filters in semiconductor bulk gas lines. As a component of gas filtering apparatus, it is classified as a part under this tariff item.
8421.99.00Reverse Osmosis Membrane Housing
A pressure vessel designed to hold reverse osmosis membranes in water purification systems. It is a part specifically for machinery used in filtering water through membranes.
8421.99.00RO System Pump Mounting Bracket
A stainless steel bracket that secures booster pumps in under-sink reverse osmosis systems. It is a structural part integral to water purification machinery.
8421.99.00Sediment Filter Bowl with Drain
A transparent polycarbonate bowl housing pleated sediment filters in whole-house water systems, featuring integrated drain valves. It is a dedicated water filtration component.
8421.99.00Semiconductor Wafer Grinder Air Filtration Unit Part
A part for air filtration systems used in wafer grinders to maintain cleanroom conditions during boule-to-wafer processing. It filters gases to remove particulates, ensuring a contaminant-free environment. This part is classified under tariff item 8421.99.00 as a component of gas filtering apparatus for semiconductor manufacturing.
8421.99.00Semiconductor Wafer Slurry Filtration Housing
A filtration apparatus part designed to purify abrasive slurries used in wafer slicing saws during semiconductor wafer preparation. It removes contaminants from the slurry to maintain cutting efficiency and wafer quality. This part is classified under tariff item 8421.99.00 as a component of filtering machinery for liquids in semiconductor manufacturing.
8421.99.00Silicon Boule Float Zone Centrifugal Separator
A centrifugal separator part for float zone crystal growers that produce high-purity silicon boules for wafer slicing. It separates impurities from the process gases or liquids, ensuring the purity of the growing crystal. This part is classified under tariff item 8421.99.00 as a centrifuge part for semiconductor material growth equipment.
8421.99.00Solvent Recovery Centrifuge Drum
> A drum assembly for centrifuges that recover PGMEA solvents from photoresist waste in semiconductor lithography areas. As a component of centrifuges for liquids, it is classified as a part under this tariff item.
8421.99.00Spin Dryer Impeller Assembly
> A high-speed impeller that directs airflow in wafer spin dryers for post-rinse drying in semiconductor lines. As a component of centrifugal dryers, it is classified as a part under this tariff item.
8421.99.00UF Water Filter Module Frame
> An aluminum frame that holds ultrafiltration membrane modules for ultrapure water production in semiconductor DI systems. As a component of filtering apparatus, it is classified as a part under this tariff item.
8421.99.00UV Water Purifier Quartz Sleeve
A quartz glass tube that protects UV lamps while allowing light transmission for water disinfection in purification systems. It is an essential part of water purifying apparatus.
8421.99.00Wafer Filtering Pump Housing
> A precision-machined housing for pumps in ultra-pure water filtering systems used in semiconductor wafer cleaning lines to purify process liquids. As a component of filtering apparatus, it is classified as a part under this tariff item.
8421.99.00Wafer Polishing Slurry Gas Purifier Cartridge
A cartridge part for purifying nitrogen gas used in slurry delivery systems for semiconductor wafer polishers. It removes impurities from the gas to ensure consistent polishing conditions and achieve flatness tolerances. This part is classified under tariff item 8421.99.00 as a component of gas purifying apparatus for semiconductor wafer processing.
8421.99.00Wafer Rinse Centrifuge Basket
> A perforated titanium basket that holds wafer carriers during high-speed spin-rinsing in semiconductor post-CMP cleaning. As a component of centrifuges for liquid removal, it is classified as a part under this tariff item.