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Californium-252 Neutron Source

Californium-252 encapsulated sources for neutron activation analysis. Falls in HTS 2844.43.0050 as other transuranic radioactive elements.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+37.5%37.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

9022.90.60.00Same rate: 37.5%

If integrated into laboratory counting equipment

Parts of X-ray or radiation apparatus classified by apparatus function in 9022.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Apply for DOE/NNSA authorization for special nuclear material

• Use Type B(M) packaging for strong neutron emitters

• Maintain chain-of-custody logs from origin to end-use