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8466.92.50.90/Czochralski Puller Seed Chuck/Japan

Czochralski Puller Seed Chuck from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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