Iridium (Ir)
Basic Information
Purity: 99.99% (4N)
Color: Silver
Atomic Number: 77
| Planar | Rotatable |
Round Up To: 12″ Diameter | Multi-Tile Up to: 11″ (Segments) x 6.75″ OD Monolithic |
Square Up to: 12″ x 6.5″ x 0.75″ Thick | |
| Mu, Chi, Upsilon, Delta | OEM Configurations |
Iridium is one of the rarest metals in the Earth’s crust existing in only 0.001ppm and is the most corrosion-resistant metal and cannot be attacked by nearly any acid, molten metals, or high-temperature silicates. This brittle, silvery-white metal is extremely dense at 22.56 g/cm3
Technical Information
Vapor Pressure
| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
| at T (K) | 2713 | 2957 | 3252 | 3614 | 4069 | 4656 |
| Melting Point | 2719 K (2446 °C, 4435 °F) |
| Boiling Point | 4403 K (4130 °C, 7466 °F) |
Density: (Solid) (Liquid) |
22.56 g/cm3 19 g/cm3 |
| Heat of Fusion | 41.12 kJ/mol |
| Heat of Vaporization | 564 kJ/mol |
Applications
Spark Plugs
Crystal Growing
Extreme High-Temperature Applications
Dielectric Mirrors
