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AEM Deposition

Iridium Evaporation Material (Ir)

Iridium Evaporation Material (Ir)
Iridium Evaporation Material (Ir)
Material Type Iridium
Symbol Ir
Atomic Weight 192.217
Atomic Number 77
Color/Appearance Silvery White, Metallic
Thermal Conductivity 150 W/m.K
Melting Point (°C) 2,410
Coefficient of Thermal Expansion 6.4 x 10-6/K
Theoretical Density (g/cc) 22.42
Z Ratio 0.129
E-Beam Fair
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  1,850
10-6:  2,080
10-4:  2,380


Iridium is a chemical element with symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum group, iridium is the second densest element (after osmium). It is also the most corrosion-resistant metal, even at temperatures as high as 2000°C. Although only certain molten salts and halogens are corrosive to solid iridium, finely divided iridium dust is much more reactive.

Material Notes

AEM Deposition provides Iridium pieces, Iridium powder for sale, purity is 99.9%.

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