InP Crystal Grinder Chuck

Vacuum or magnetic chuck for securing Indium Phosphide crystal boules during precision diameter grinding. Part of crystal grinder equipment HTS 8451.90.90 statistical note (a)(ii)(A). Accommodates fragile III-V compound crystals prone to cracking.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³China3.5%+35.0%38.5%
πŸ‡²πŸ‡½Mexico3.5%+10.0%13.5%
πŸ‡¨πŸ‡¦Canada3.5%+10.0%13.5%
πŸ‡©πŸ‡ͺGermany3.5%+10.0%13.5%
πŸ‡―πŸ‡΅Japan3.5%+10.0%13.5%

Alternative Classifications

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

8467.89Lower: 10% vs 38.5%

If general machine tool chucks and holders

Tools for working in the hand or machine tool accessories.

8486.90.00Lower: 25% vs 38.5%

If part of complete InP crystal processing line

Semiconductor manufacturing machine parts statistical classification.

8505.19.10Higher: 39.9% vs 38.5%

If electromagnets for crystal holding

Permanent or electromagnets if functioning primarily as holding devices.

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Import Tips & Compliance

β€’ Specify vacuum port configuration, crystal diameter range, and rotation speed rating

β€’ Include InP thermal expansion matching material certification

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