Palladium Disk

Formula: Pd

Form: Disk

Material: Palladium

CAS Number: 7440-05-3

Commodity: Precious Metals

Palladium disks are part of our expansive range of metal disks and targets. Providing researchers with 914 variations to choose from, they offer excellent thermal and electrical conductivity, as well as corrosion resistance. These disks have widespread applications in electrical contacts, laboratory crucibles and catalysts for organic reactions. The array of diameters, thicknesses and purity levels available enables scientists and engineers to select the optimal specification of Palladium disks for their needs.

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Technical Data Sheet Safety Data Sheet Tolerance Properties

each

Tolerances

Disk

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

Material Properties for Precious Metals

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@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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Palladium Disk

Tolerances

Material Properties for Precious Metals