Crystal Puller Chamber Gasket

High-vacuum multi-layer gasket of stainless steel with silver plating for Czochralski crystal puller chambers in wafer manufacturing. HTS 8484.10.00.00 for layered metal combined with vacuum sealing materials.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.5%+35.0%37.5%
🇲🇽Mexico2.5%+10.0%12.5%
🇨🇦Canada2.5%+10.0%12.5%
🇩🇪Germany2.5%+10.0%12.5%
🇯🇵Japan2.5%+10.0%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8481.80.90Lower: 37% vs 37.5%

If integral vacuum chamber part

Gaskets forming essential vacuum boundary classified with semiconductor apparatus.

8504.40.95Lower: 35% vs 37.5%

If power supply transformer seals

Some high-vacuum gaskets align with transformer sealing provisions.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Cite statistical note (a)(i) crystal growers in import docs for context

Helium leak test results prove vacuum integrity for classification support

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