Wafer Grinder Spindle Mechanical Seal
> A precision mechanical seal for semiconductor wafer grinder spindles, preventing slurry contamination. It maintains spindle integrity during grinding processes, ensuring high-quality wafer production. This product is classified under tariff item 8484.20.00 as a mechanical seal, which is essential for semiconductor processing.
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 imported as a set
Sets of gaskets and similar joints are classified under this heading.
If part of a grinding machine
Machines for semiconductor manufacture are classified under heading 8486.
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 seal is compatible with grinding slurries used in semiconductor manufacturing
• Provide material safety data sheets for customs documentation
• Consider consulting CBSA for advanced rulings on high-tech components
Related Products under Tariff item 8484.20.00
API 682 Compliant Mechanical Seal
> A pressurized dual mechanical seal designed to meet API 682 standards for refinery pump applications. It ensures emission control in volatile service by providing a robust sealing solution between rotating and stationary faces. This product falls under tariff item 8484.20.00 as a mechanical seal, which is essential for preventing leaks in demanding industrial environments.
Bellows Mechanical Seal
> A bellows mechanical seal using metal or elastomeric bellows to provide axial movement for sealing in agitators and mixers. It uses mechanical faces with bellows for pressure compensation, making it suitable for corrosive environments. This product is classified under tariff item 8484.20.00 as a mechanical seal, which is designed to prevent fluid leakage in rotating equipment.
Cartridge Type Mechanical Seal
> A pre-assembled cartridge mechanical seal that installs as a single unit onto pump shafts, simplifying maintenance in chemical processing equipment. It provides a mechanical sealing action using spring-loaded faces to prevent leaks. This product falls under tariff item 8484.20.00 as a mechanical seal, which is a critical component for pump reliability.
Cryogenic Service Mechanical Seal
> A mechanical seal with perfluoroelastomer seals designed for LNG pump applications at -160°C. It prevents boil-off in cryogenic fluids by maintaining a tight seal under extreme cold conditions. This product is classified under tariff item 8484.20.00 as a mechanical seal, which is essential for cryogenic service.
Crystal Puller Rotary Mechanical Seal
> A rotary mechanical seal for Czochralski crystal puller rotation mechanisms in silicon boule production. It withstands high vacuum and temperature cycles, ensuring a reliable seal in semiconductor manufacturing. This product falls under tariff item 8484.20.00 as a mechanical seal, which is critical for crystal growth equipment.
Double Mechanical Seal Arrangement
> A tandem or back-to-back double mechanical seal with barrier fluid provisions for hazardous fluid handling in petrochemical pumps. It provides redundancy by using dual faces to prevent leaks. This product is classified under tariff item 8484.20.00 as a mechanical seal, which is designed for high-risk applications.