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Hafnium Foil (Light Tight)

Hafnium Foil (Light Tight) is a thin, opaque metal foil product from our extensive range of specialty metals. With a wide choice of 49 variations, this foil can be customized in terms of thickness, size and surface finish. The high density and corrosion resistance of hafnium make it ideal for radiation shielding in aerospace and nuclear applications. Its opacity means it can also be used as a barrier layer in electronics and optics. Our Hafnium Foil range provides customizable high-performance solutions across scientific research and industry.
Thickness: 0.009mm
Length 1: 50mm
Length 2: 50mm
Technical Name: Hafnium
Formula: Hf
Percentage Purity: 97%
Density: 13.1g/cm³
CAS Number: 7440-58-6
UOM Code: 003-632-82
SKU: 1000000474
Product Code: HF00-FL-000150
No Minimum order Approx. 2 weeks leadtime Free technical support *Free delivery worldwide
€1,095.09
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Technical Data Sheet
Safety Data Sheet

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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 72
Crystal structure Hexagonal close packed
Electronic structure Xe 4f¹⁴ 5d² 6s²
Valences shown 4
Atomic weight( amu ) 178.49
Thermal neutron absorption cross-section( Barns ) 103
Photo-electric work function( eV ) 3.9
Natural isotope distribution( Mass No./% ) 179/ 13.8
Natural isotope distribution( Mass No./% ) 176/ 5.2
Natural isotope distribution( Mass No./% ) 180/ 35.2
Natural isotope distribution( Mass No./% ) 174/ 0.2
Natural isotope distribution( Mass No./% ) 177/ 18.5
Natural isotope distribution( Mass No./% ) 178/ 27.1
Atomic radius - Goldschmidt( nm ) 0.159
Ionisation potential( No./eV ) 3/ 23.3
Ionisation potential( No./eV ) 1/ 7.0
Ionisation potential( No./eV ) 2/ 14.9
Ionisation potential( No./eV ) 4/ 33.3
Mechanical Properties
Element Value
Material condition Hard
Material condition Soft
Poisson's ratio 0.26
Poisson's ratio 0.26
Bulk modulus( GPa ) 109
Bulk modulus( GPa ) 109
Tensile modulus( GPa ) 141
Tensile modulus( GPa ) 141
Hardness - Vickers( kgf mm⁻² ) 150-180
Tensile strength( MPa ) 445
Tensile strength( MPa ) 745
Yield strength( MPa ) 365
Yield strength( MPa ) 240
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 32.2@20@20°C
Superconductivity critical temperature( K ) 0.128
Temperature coefficient( K⁻¹ ) 0.0044@0-100°C
Physical Properties
Element Value
Boiling point( C ) 4602
Density( gcm⁻³ ) 13.1@20°C
Thermal Properties
Element Value
Melting point( C ) 2227
Latent heat of evaporation( J g⁻¹ ) 3700
Latent heat of fusion( J g⁻¹ ) 122
Specific heat( J K⁻¹ kg⁻¹ ) 146@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 23@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 6@0-100°C
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