Bismuth Foil

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: 99.999%
Thickness: 2mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-69-9
UOM Code: 310-019-60
Legacy Code: BI000300
Distributor Code: GF31001960

SKU: 1000035884

Product Code: BI00-FL-000200

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Tolerances

Foil/Film/Sheet

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

Tolerances

Foil/Film/Sheet

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

Technical Data Sheet

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Safety Data Sheet

$690.00

each

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Material Properties for Metals

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@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