Lead Foil (Light Tight)

Lead foil, also referred to as light-tight lead sheeting, is a highly versatile material known for its exceptional density, malleability, and radiation attenuation properties. These attributes make it an essential component in industries such as healthcare, where it is utilized in X-ray rooms and radiation therapy facilities, and in industrial settings for shielding against gamma and X-ray radiation. Its flexibility also allows it to be used in the chemical and energy sectors as a protective barrier against corrosive substances and ionizing radiation. Additionally, lead foil’s light-tight characteristic ensures its effectiveness in applications requiring strict light exclusion, such as in scientific instruments. Goodfellow provides high-quality lead foil designed to meet the stringent demands of these industries, ensuring both safety and performance. By choosing Goodfellow’s lead foil, customers gain access to a reliable solution tailored for critical applications requiring superior shielding capabilities.

Formula: Pb
Percentage Purity: 99.99%
Temper: As Rolled
Thickness: 2.7mm
Length 1: 100mm
Length 2: 100mm
CAS Number: 7439-92-1
UOM Code: 404-114-64
Legacy Code: PB000201
Distributor Code: GF40411464

SKU: 1000162789

Product Code: PB00-FL-000493

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Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	82
Crystal structure	Face centred cubic
Electronic structure	Xe 4f¹⁴ 5d¹⁰ 6s² 6p²
Valences shown	2, 4
Atomic weight( amu )	207.2
Thermal neutron absorption cross-section( Barns )	0.18
Photo-electric work function( eV )	4
Natural isotope distribution( Mass No./% )	207/ 22.1
Natural isotope distribution( Mass No./% )	208/ 52.4
Natural isotope distribution( Mass No./% )	206/ 24.1
Natural isotope distribution( Mass No./% )	204/ 1.4
Atomic radius - Goldschmidt( nm )	0.175
Ionisation potential( No./eV )	5/ 68.8
Ionisation potential( No./eV )	3/ 31.9
Ionisation potential( No./eV )	4/ 42.3
Ionisation potential( No./eV )	2/ 15.03
Ionisation potential( No./eV )	1/ 7.42

Mechanical Properties

Element	Value
Hardness - Mohs	1.5
Material condition	Polycrystalline
Material condition	Sand cast
Poisson's ratio	0.44
Poisson's ratio	0.44
Bulk modulus( GPa )	45.8
Bulk modulus( GPa )	45.8
Tensile modulus( GPa )	16.1
Tensile modulus( GPa )	16.1
Tensile strength( MPa )	12
Yield strength( MPa )	5.5

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	20.6@20@20°C
Superconductivity critical temperature( K )	7.196
Temperature coefficient( K⁻¹ )	0.0042@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.44

Physical Properties

Element	Value
Boiling point( C )	1740
Density( gcm⁻³ )	11.35@20

Thermal Properties

Element	Value
Melting point( C )	327.5
Latent heat of evaporation( J g⁻¹ )	862
Latent heat of fusion( J g⁻¹ )	23.2
Specific heat( J K⁻¹ kg⁻¹ )	159@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	35.3@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	29@0-100°C