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8466.92.50.90/Czochralski Puller Seed Chuck/Mexico

Czochralski Puller Seed Chuck from Mexico

Rotatable seed chuck for Czochralski crystal pullers (8465), grips silicon seed crystal to initiate boule growth from molten silicon. Precision temperature-controlled design prevents thermal shock. Specific accessory under 8466.92.5050.

Duty Rate — Mexico → United States

14.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include seed crystal diameter specs (1-3 inches) and rotation speed capabilities

• End-use certificate specifying monocrystalline silicon boule production required