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Palladium Foil

Available Configurations

Properties common to all products in this list

Commodity: Precious Metals Material: Palladium Form: Foil/Film/Sheet Composition: Pd CAS Number: 7440-05-3 Coating: Uncoated Surface Finish: Standard
Palladium Foil is a high-performance metallic material known for its exceptional hydrogen permeability and mechanical stability, even at elevated temperatures. This makes it uniquely suited for membrane-based hydrogen purification systems. Palladium foil plays a key role in energy, chemical processing, and electronics industries. Its standout applications include hydrogen-selective membranes in fuel cells, electrodes for electrochemical cells, and thin film coatings for semiconductors. It supports high hydrogen selectivity while maintaining durability under cyclic thermal and mechanical stress. Palladium foils also support innovation in hydrogen fuel infrastructure, including PEM fuel cells and hydrogen purification devices. With its rare combination of permeability, strength, and catalytic properties, palladium foil is a cornerstone in the development of next-generation clean energy systems and advanced electronic materials.
Starting at $181.00 each
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Material Properties

Atomic Properties
Element Value
Atomic number 46
Crystal structure Face centred cubic
Electronic structure Kr 4d¹⁰
Valences shown 2, 3, 4
Atomic weight( amu ) 106.42
Thermal neutron absorption cross-section( Barns ) 6
Photo-electric work function( eV ) 5
Natural isotope distribution( Mass No./% ) 108/ 26.7
Natural isotope distribution( Mass No./% ) 110/ 11.8
Natural isotope distribution( Mass No./% ) 104/ 11.0
Natural isotope distribution( Mass No./% ) 102/ 1.0
Natural isotope distribution( Mass No./% ) 105/ 22.2
Natural isotope distribution( Mass No./% ) 106/ 27.3
Atomic radius - Goldschmidt( nm ) 0.137
Ionisation potential( No./eV ) 1/ 8.3
Ionisation potential( No./eV ) 2/ 19.4
Ionisation potential( No./eV ) 3/ 32.9
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.39
Poisson's ratio 0.39
Bulk modulus( GPa ) 187
Bulk modulus( GPa ) 187
Tensile modulus( GPa ) 121
Tensile modulus( GPa ) 121
Hardness - Vickers( kgf mm⁻² ) 40
Hardness - Vickers( kgf mm⁻² ) 100
Tensile strength( MPa ) 140-195
Tensile strength( MPa ) 325
Yield strength( MPa ) 205
Yield strength( MPa ) 34.5
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 10.8@20
Temperature coefficient( K⁻¹ ) 0.0042@0-100
Thermal emf against Pt (cold 0C - hot 100C)( mV ) -0.57
Physical Properties
Element Value
Boiling point( C ) 3140
Density( gcm⁻³ ) 12@20°C
Thermal Properties
Element Value
Melting point( C ) 1554
Latent heat of evaporation( J g⁻¹ ) 3398
Latent heat of fusion( J g⁻¹ ) 157
Specific heat( J K⁻¹ kg⁻¹ ) 244@25
Thermal conductivity( W m⁻¹ K⁻¹ ) 71.8@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 11@0-100
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Available Configurations

Properties common to all products in this list

Commodity: Precious Metals Material: Palladium Form: Foil Composition: Pd CAS Number: 7440-05-3 Coating: Uncoated Surface Finish: Standard

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Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%