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Semiconductor 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.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFreeβ€”Free
πŸ‡²πŸ‡½MexicoFreeβ€”Free
πŸ‡ΊπŸ‡ΈUnited StatesFreeβ€”Free
πŸ‡©πŸ‡ͺGermanyFreeβ€”Free
πŸ‡―πŸ‡΅JapanFreeβ€”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.

8421.39.00Same rate: Free

If the part is a complete gas filtering or purifying machine

Complete gas filtering machines are classified under 8421.39, while this item covers parts.

8486.10.00Same rate: Free

If the part is sold as part of a complete wafer grinder

Machines for processing semiconductor wafers are classified 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 β€” and can price the duty on it in the same conversation.

Import Tips & Compliance

β€’ Describe the part as a component of a gas filtration system for wafer grinders to support classification under 8421.99.00

β€’ The CBSA may ask for specifications showing the part's role in maintaining cleanroom air quality

β€’ Check if the part is covered by a customs duty remission 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.