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Osmium Powder 99.9% Pure

Osmium Powder 99.9% Pure is finely divided osmium metal powder where 90% or more passes through a 0.5 mm sieve. It is used in alloying and catalysis applications. This product falls under tariff item 7110.41.00 as osmium in powder form, explicitly defined in the subheading notes.

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 powder is agglomerated or otherwise semi-manufactured

Agglomerated or semi-manufactured osmium is classified separately.

2843.90.00Same rate: Free

If the powder is colloidal or in an amalgam form

Colloidal precious metals and amalgams are excluded from Chapter 71.

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

• Verify the powder meets the sieve test: 90% or more by weight passing through a 0.5 mm mesh

• Provide a certificate of analysis showing particle size distribution

• Declare the osmium content and purity accurately on customs documents

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 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.

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.