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Rhodium Foil (Light Tight)

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Commodity: Precious Metals Material: Rhodium Form: Foil (Light Tight) Composition: Rh CAS Number: 7440-16-6 Purity: 99.9% Temper: As Rolled Opacity: Light Tight
Rhodium Foil (Light Tight) is widely used in scientific research, catalysis, and high-performance optics, thanks to its exceptional reflectivity, chemical stability, and light-tight characteristics. It is crucial for precise light control in spectrophotometry, laser mirrors, and sensitive optical instruments. Additionally, its oxidation and corrosion resistance allow for reliable performance in high-temperature applications, catalytic processes, and energy storage research. Rhodium’s low thermal expansion and electrical conductivity make it indispensable in electrical contacts, high-temperature thermocouples, and fuel cell technologies, supporting cutting-edge developments in industrial and scientific applications. Our expertise allows us to process process pinhole free foils down to micron thicknesses in many materials.
Starting at $999.99 each
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Material Properties

Atomic Properties
Element Value
Atomic number 45
Crystal structure Face centred cubic
Electronic structure Kr 4d⁸ 5s¹
Valences shown 2,3,4,5,6
Atomic weight( amu ) 102.9055
Thermal neutron absorption cross-section( Barns ) 150
Photo-electric work function( eV ) 4.6
Atomic radius - Goldschmidt( nm ) 0.134
Ionisation potential( No./eV ) 1/ 7.46
Ionisation potential( No./eV ) 3/ 31.1
Ionisation potential( No./eV ) 2/ 18.1
Mechanical Properties
Element Value
Material condition Hard
Material condition Soft
Poisson's ratio 0.26
Poisson's ratio 0.26
Bulk modulus( GPa ) 276
Bulk modulus( GPa ) 276
Tensile modulus( GPa ) 379
Tensile modulus( GPa ) 379
Hardness - Vickers( kgf mm⁻² ) 300
Hardness - Vickers( kgf mm⁻² ) 120
Tensile strength( MPa ) 1380-2070
Tensile strength( MPa ) 690-760
Yield strength( MPa ) 69-275
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 4.7@20°C
Temperature coefficient( K⁻¹ ) 0.0044@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.7
Physical Properties
Element Value
Boiling point( C ) 3727
Density( gcm⁻³ ) 12.4@20°C
Thermal Properties
Element Value
Melting point( C ) 1965
Latent heat of evaporation( J g⁻¹ ) 4800
Latent heat of fusion( J g⁻¹ ) 210
Specific heat( J K⁻¹ kg⁻¹ ) 244@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 150@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8.5@0-100°C
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Available Configurations

Properties common to all products in this list

Commodity: Precious Metals Material: Rhodium Form: Foil (Light Tight) Composition: Rh CAS Number: 7440-16-6 Purity: 99.9% Temper: As Rolled Opacity: Light Tight

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Tolerances

Foil (Light Tight)
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%