8401.20.00.00/Calutron Electromagnetic Separator/Japan

Calutron Electromagnetic Separator from Japan

Electromagnetic device that ionizes material and uses magnetic fields to separate isotopes based on mass differences, historically used for uranium. It is apparatus for isotopic separation under HTS 8401.20.00.00.

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

• Prepare historical use affidavits if refurbished; new builds need full design blueprints

• Avoid pitfalls by classifying magnets separately—full apparatus stays in 8401

• NRC pre-clearance essential; track vacuum chamber and ion source components