Calutron Electromagnetic Separator from China

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 — China → United States

37.6%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

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