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Californium-252 Neutron Source

Californium-252 metal sources encapsulated for neutron radiography, well logging, and PGNAA analysis. Californium has atomic number 98, and the product is a radioactive element in metallic form, classified under tariff item 2844.43.00 as an 'other' radioactive element.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

2844.10.00Same rate: Free

If the source contains natural uranium as a component

Mixtures containing natural uranium are classified under a different subheading.

Not sure which classification is right?

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

Import Tips & Compliance

• Secure a CNSC import license for the californium-252 source

• Document the source's activity and serial number for customs verification

• Ensure the shipping container meets the requirements of the Canadian Nuclear Safety and Control Act

Related Products under Tariff item 2844.43.00

Actinium-225 Generator System

An Actinium-225/Bismuth-213 generator system used in targeted alpha therapy. It contains a ceramic resin column holding the actinium-225 decay chain, which includes radioactive isotopes with atomic numbers greater than 84, and is therefore classified under tariff item 2844.43.00 as a ceramic mixture containing radioactive elements.

Americium-241 Oxide Source Material

Americium-241 oxide (AmO2) is a chemically defined compound of americium, a transuranic element with atomic number 95. It is used in neutron sources, smoke detectors, and industrial gauges, and falls under tariff item 2844.43.00 as a compound of a radioactive element other than those specified in subheadings 2844.10, 2844.20, or 2844.30.

Cesium-137 Chloride Sealed Sources

Cesium-137 chloride (CsCl) sealed sources used in brachytherapy and calibration standards. Cesium-137 is a radioactive isotope, and the product is a chemically defined compound of this isotope, falling under tariff item 2844.43.00 as an 'other' radioactive compound.

Cobalt-60 Irradiated Alloy Pellets

Cobalt-60 irradiated alloy pellets used in radiotherapy and sterilization. These are sintered metal alloys containing the radioactive isotope cobalt-60, and are classified under tariff item 2844.43.00 as alloys containing radioactive isotopes other than those specified in subheadings 2844.10, 2844.20, or 2844.30.

Iridium-192 Wire for Industrial Radiography

Iridium-192 wire for industrial radiography, consisting of the precious metal iridium activated to contain the radioactive isotope Ir-192. It is classified under tariff item 2844.43.00 as an alloy or dispersion containing a radioactive isotope of a precious metal.

Mixed Fission Product Ceramic Pellets

Sintered ceramic pellets containing multiple fission products such as cesium-137 and strontium-90, derived from nuclear fuel reprocessing. These are mixtures containing various radioactive isotopes and compounds, classified under tariff item 2844.43.00 as 'other' mixtures containing radioactive elements.