Crystal 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.
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 filter is presented as a complete filtering machine for liquids, not as a part
Complete liquid filtering machines are classified under 8421.21, while this item covers parts.
If the filter is sold as part of a complete wafer slicing machine
Machines for manufacturing semiconductor devices, including wafer slicing saws, fall under heading 84.86.
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
• Ensure the filter is declared as a part of liquid filtering machinery for semiconductor wafer production to support classification under 8421.99.00
• Have technical documentation ready to show the CBSA officer that the filter is specifically designed for coolant purification in wafer slicing saws
• Verify whether the goods qualify for preferential tariff treatment under a free trade agreement to potentially reduce duties
Related Products under Tariff item 8421.99.00
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> 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
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Carbon Block Filter End Caps
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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.