Technical Data Sheet
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Iridium Foil

Iridium Foil is a high-performance metal with exceptional corrosion resistance and high-temperature strength. The unique properties of iridium make it an ideal choice for applications requiring durability, stability and reliability in extreme environments. Example uses of iridium foil include crucibles, thermocouples, and electrodes for electrolysis and electroplating. We offer this foil in 30 dimensions and surface finishes. This wide range means engineers and researchers can easily obtain the right variation of this advanced material they need for prototyping and small-scale production.
Formula: Ir
Percentage Purity: 99.9%
Temper: As Rolled
Thickness: 0.05mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7439-88-5
UOM Code: 537-430-27
SKU: 1000124962
Product Code: IR00-FL-000100

Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%
No Minimum order Despatch of products in stock within 48 hours Free technical support *Free delivery worldwide
€1,528.77
each
  • Buy 5 for €1,238.30 each and save 19%
  • Buy 10 for €1,131.29 each and save 26%

Shipping restrictions and charges
may apply for some hazardous materials.

Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%
Technical Data Sheet
Safety Data Sheet

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Material Properties for Precious Metals

Atomic Properties
Element Value
Atomic number 77
Crystal structure Face centred cubic
Electronic structure Xe 4f¹⁴ 5d⁷ 6s²
Valences shown 3, 4
Atomic weight( amu ) 192.22
Thermal neutron absorption cross-section( Barns ) 425
Photo-electric work function( eV ) 4.6
Natural isotope distribution( Mass No./% ) 191/ 37.3
Natural isotope distribution( Mass No./% ) 193/ 62.7
Atomic radius - Goldschmidt( nm ) 0.135
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.26
Poisson's ratio 0.26
Bulk modulus( GPa ) 371
Bulk modulus( GPa ) 371
Tensile modulus( GPa ) 528
Tensile modulus( GPa ) 528
Hardness - Vickers( kgf mm⁻² ) 650
Hardness - Vickers( kgf mm⁻² ) 200-300
Tensile strength( MPa ) 550-1100
Tensile strength( MPa ) 1200
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 5.1@20@20°C
Superconductivity critical temperature( K ) 0.11
Temperature coefficient( K⁻¹ ) 0.0045@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.65
Physical Properties
Element Value
Boiling point( C ) 4130
Density( gcm⁻³ ) 22.4@20°C
Thermal Properties
Element Value
Melting point( C ) 2410
Latent heat of evaporation( J g⁻¹ ) 3186
Latent heat of fusion( J g⁻¹ ) 135
Specific heat( J K⁻¹ kg⁻¹ ) 133@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 147@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 6.8@0-100°C
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