Osmium Powder 99.9% Pure
Finely divided osmium metal powder where 90% or more passes through a 0.5 mm sieve, used in alloying and catalysis. Falls under HTS 7110.41.00.20 as osmium in powder form, explicitly defined in subheading notes for platinum group metals.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in semi-manufactured form like powder compacted into shapes
Semi-manufactured excludes powder; shifts to separate statistical suffix.
If chemically treated or as catalyst precursor
Prepared chemical products or catalysts may fall under Chapter 38.
If containing iridium, osmium etc. but not separated as pure osmium
Unseparated mixtures of platinum group metals classify differently.
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Import Tips & Compliance
• Provide sieve analysis certification proving 90%+ passes 0.5 mm mesh to qualify as 'powder form'
• Ensure no alloying with PGMs exceeding osmium weight to avoid reclassification
• Store and ship in inert atmosphere packaging to prevent oxidation during transit
Related Products under HTS 7110.41.00.20
Unwrought Osmium Ingot
Pure osmium metal in the form of cast ingots, not having been subjected to any processes beyond melting and solidification. Classified under HTS 7110.41.00.20 as unwrought osmium, a platinum group metal in its basic raw form prior to further manufacturing.
Cast Osmium Sponge
Porous osmium sponge produced by reduction processes, considered unwrought as it requires further refining before fabrication. HTS 7110.41.00.20 covers such basic forms of osmium, a dense platinum group metal used in alloys.
High-Purity Osmium Pellets
Small, pressed pellets of pure osmium used as starting material for evaporation and thin-film deposition. Classified as unwrought under HTS 7110.41.00.20 since no significant working beyond consolidation has occurred.
Electrolytic Osmium Cathodes
Cathode deposits of osmium from electrolytic refining, in plate form but still unwrought. HTS 7110.41.00.20 applies to such refined but unworked osmium metal.