Ruthenium Foil

Ruthenium Foil combines high melting point, exceptional corrosion resistance, and remarkable catalytic performance in an ultra-thin, flexible format suited to high-precision applications. Industries such as microelectronics, chemical manufacturing, and fuel cell engineering leverage its stability and conductivity for contacts, catalyst substrates, and thin-film deposition processes. It is integral in microfabrication for creating conductive pathways that endure harsh environments, while analytical instruments use ruthenium foil for X-ray optics and electrochemical sensors. The foil’s uniform thickness enables precise thermal and electrical control, vital for both experimental and production-scale processes. Its role in facilitating advanced surface engineering and catalysis underscores its significance in innovation-driven fields, where material reliability directly impacts technological progress.

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Tolerance

Properties

Reference & Citations

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Tolerances

Foil

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

Material Properties for Precious Metals

Atomic Properties

Element	Value
Atomic number	44
Crystal structure	Hexagonal close packed
Electronic structure	Kr 4d⁷ 5s¹
Valences shown	0,1,2,3,4,5,6,7,8
Atomic weight( amu )	101.07
Thermal neutron absorption cross-section( Barns )	3
Photo-electric work function( eV )	4.71
Natural isotope distribution( Mass No./% )	99/ 12.7
Natural isotope distribution( Mass No./% )	96/ 5.5
Natural isotope distribution( Mass No./% )	104/ 18.6
Natural isotope distribution( Mass No./% )	98/ 1.9
Natural isotope distribution( Mass No./% )	101/ 17.1
Natural isotope distribution( Mass No./% )	100/ 12.6
Natural isotope distribution( Mass No./% )	102/ 31.6
Atomic radius - Goldschmidt( nm )	0.134
Ionisation potential( No./eV )	2/ 16.8
Ionisation potential( No./eV )	3/ 28.5
Ionisation potential( No./eV )	1/ 7.36

Mechanical Properties

Element	Value
Material condition	Hard
Material condition	Soft
Poisson's ratio	0.25
Poisson's ratio	0.25
Bulk modulus( GPa )	286
Bulk modulus( GPa )	286
Tensile modulus( GPa )	432
Tensile modulus( GPa )	432
Hardness - Vickers( kgf mm⁻² )	750
Hardness - Vickers( kgf mm⁻² )	350
Tensile strength( MPa )	495
Yield strength( MPa )	372

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	7.7@20@20°C
Superconductivity critical temperature( K )	0.49
Temperature coefficient( K⁻¹ )	0.0041@0-100

Physical Properties

Element	Value
Boiling point( C )	3900
Density( gcm⁻³ )	12.2@20

Thermal Properties

Element	Value
Melting point( C )	2310
Latent heat of evaporation( J g⁻¹ )	5610
Latent heat of fusion( J g⁻¹ )	252
Specific heat( J K⁻¹ kg⁻¹ )	238@20°C
Thermal conductivity( W m⁻¹ K⁻¹ )	117@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	9.6@0-100°C