Silicon 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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the separator is imported as part of a complete float zone crystal grower
Machines for growing semiconductor crystals are classified under heading 84.86.
If the separator is a complete centrifuge, not a part
Complete centrifuges are classified under 8421.19, while this item covers parts.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify this separator as a part of a centrifuge used in float zone crystal growth, and provide documentation of its function
• The CBSA may ask for evidence that the separator is solely or principally used with centrifuge equipment in crystal growers
• Verify if the separator qualifies for duty relief under a program for semiconductor manufacturing equipment
Related Products under Tariff item 8421.99.00
Air 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.
Backwash 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.
Carbon 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.
Centrifugal 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.
Centrifuge 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.
Chemical 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.