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Electrolytic Osmium Cathodes

Electrolytic Osmium Cathodes are cathode deposits of osmium from electrolytic refining, in plate form but still unwrought. They represent refined but unworked osmium metal. This product falls under tariff item 7110.41.00 as unwrought osmium, a platinum group metal.

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.

7110.49.00Same rate: Free

If the cathodes are rolled, forged or otherwise worked

Worked osmium is classified as semi-manufactured.

7110.31.00Same rate: Free

If rhodium predominates by weight in the deposit

Alloys are classified by the predominant platinum group metal.

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

• Document that the cathodes have not been further worked beyond electrolytic deposition

• Provide the purity and weight of the osmium content

• Be prepared to explain the production method to CBSA if requested

Related Products under Tariff item 7110.41.00

99.999% Iridium Lump

Irregular chunks of ultra-high purity (5N) iridium from electrolysis, weighing 100g-500g each. They are classified as unwrought pure iridium under this tariff item.

Arc-Melted Iridium Button

Disc-shaped iridium mass from vacuum arc remelting, typically 50mm diameter, serving as stock for forging. It remains unwrought under this tariff item despite casting.

Cast Iridium Sponge

Cast iridium sponge is a porous, unwrought form of iridium produced by chemical precipitation and reduction. It is considered unwrought prior to fabrication and is a common precursor for further processing into semi-manufactured forms.

Cast Osmium Sponge

Cast Osmium Sponge is a porous form of osmium produced by reduction processes, considered unwrought as it requires further refining before fabrication. It is a dense platinum group metal used in various industrial applications. This product falls under tariff item 7110.41.00 as unwrought osmium in a non-powder form.

Electrolytic Ruthenium Ingot

Electrolytic Ruthenium Ingot is a high-purity ruthenium ingot cast from electrolytic deposition, in unwrought rectangular form for remelting. It is not further processed into semi-manufactured states. This product falls under tariff item 7110.41.00 as unwrought ruthenium per Chapter 71 definitions.

High-Purity Iridium Pellets

Cylindrical or cubic pressed pellets of 99.99% pure iridium for electron beam evaporation in thin-film deposition. They are unwrought as simple compression forms, not machined or rolled.