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Technical Data Sheet
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Bismuth Foil/Sheet - T 0.007mm 25mm x 25mm

Details

SKU: 1000035880 Product Code: BI00-FL-000190
Bismuth Foil combines high density, low thermal conductivity, and strong diamagnetism in a thin, flexible form, making it essential in radiation shielding, thermoelectric systems, and specialized electronics. Its malleability allows precise shaping while maintaining performance under mechanical stress, and its non-toxic profile offers a safer alternative to lead in many applications. Industries employ bismuth foil for X-ray and gamma shielding layers, thermoelectric generator elements, and electromagnetic interference (EMI) suppression. Specific technologies benefiting include flexible radiation barriers in medical imaging, high-efficiency Peltier devices, and superconducting magnetic shielding. In research, Bismuth Foil is integral for exploring quantum transport, low-dimensional thermoelectrics, and magnetic field compensation systems. Its unique physical and chemical traits position it as a critical functional material in advanced scientific and industrial sectors prioritizing performance and environmental safety.
Formula: Bi
Percentage Purity: 99.97%
Thickness: 0.007mm
Length 1: 25mm
Length 2: 25mm
Support: 0.125 mm Permanent Polyester
CAS Number: 7440-69-9
UOM Code: 506-992-45
Legacy Code: BI000090
Distributor Code:
GF50699245

Tolerances

Foil/Film/Sheet
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%
Linear dimension <100mm ±1mm
Linear dimension >=100mm +2 / -1%
$660.00
each
No Minimum order Free technical support Free delivery available

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Material Properties

Atomic Properties
Element Value
Atomic number 83
Crystal structure Rhombohedral
Electronic structure Xe 4f¹⁴ 5d¹⁰ 6s² 6p³
Valences shown 3, 5
Atomic weight( amu ) 208.9804
Thermal neutron absorption cross-section( Barns ) 0.034
Photo-electric work function( eV ) 4.4
Atomic radius - Goldschmidt( nm ) 0.182
Ionisation potential( No./eV ) 5/ 56.0
Ionisation potential( No./eV ) 1/ 7.29
Ionisation potential( No./eV ) 3/ 25.6
Ionisation potential( No./eV ) 4/ 45.3
Ionisation potential( No./eV ) 6/ 88.3
Ionisation potential( No./eV ) 2/ 16.7
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.33
Bulk modulus( GPa ) 31.3
Tensile modulus( GPa ) 34
Hardness - Vickers( kgf mm⁻² ) 16-19
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 117@20°C
Temperature coefficient( K⁻¹ ) 0.0046@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) -7.34
Physical Properties
Element Value
Boiling point( C ) 1560
Density( gcm⁻³ ) 9.8@20°C
Thermal Properties
Element Value
Melting point( C ) 271.3
Latent heat of evaporation( J g⁻¹ ) 857
Latent heat of fusion( J g⁻¹ ) 52
Specific heat( J K⁻¹ kg⁻¹ ) 124@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 7.9@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 13.4@0-100°C