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Einsteinium-254 Alloy Dispersion from China

Einsteinium-254 alloy dispersion in platinum matrix serves ultra-trace analysis and nuclear forensics applications. HTS 2844.42.00.00 explicitly includes Einsteinium-254 alloys as dispersions containing listed isotopes. Extreme rarity requires authorized users only.

Duty Rate — China → United States

37.5%

Rate breakdown

9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

Import Tips

• National lab authorization mandatory; provide end-use statement for forensics

• Glovebox-compatible packaging only; declare microgram quantities precisely

• Avoid import via standard channels; use government-to-government transfer