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Formula: Al
Form: Foil/Film/Sheet
Material: Aluminum
CAS Number: 7429-90-5
Commodity: Metals
Available in a selection of high purity levels ranging from 99% to 99.9999%, Goodfellow's aluminum foil is essential in advanced research applications due to its unique properties such as high reflectivity, malleability, and thermal conductivity. In materials science, it plays a key role in enhancing energy storage in electrolytic capacitors and managing heat in high-performance electronics. Its reflective and conductive qualities are also crucial in biotechnology, optimizing photobioreactor systems by improving light concentration. In aerospace and space exploration, aluminum foil is used to capture cosmic particles and shield sensitive instruments from radiation. Research laboratories globally rely on aluminum foil for these applications, ensuring precision in experiments. Additionally, it offers high-performance electromagnetic shielding, essential for next-gen 5G wireless communication. These diverse applications highlight aluminum foil's role in advancing materials research, energy storage, telecommunications, and laboratory innovations.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Foil/Film/Sheet
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%

Material Properties for Metals

Atomic Properties
Element Value
Atomic number 13
Crystal structure Face centred cubic
Electronic structure Ne 3s² 3p¹
Valences shown 3
Atomic weight( amu ) 26.98154
Thermal neutron absorption cross-section( Barns ) 0.232
Photo-electric work function( eV ) 4.2
Atomic radius - Goldschmidt( nm ) 0.143
Ionisation potential( No./eV ) 6/ 190
Ionisation potential( No./eV ) 2/ 18.8
Ionisation potential( No./eV ) 1/ 5.99
Ionisation potential( No./eV ) 3/ 28.4
Ionisation potential( No./eV ) 5/ 154
Ionisation potential( No./eV ) 4/ 120
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.345
Poisson's ratio 0.345
Bulk modulus( GPa ) 75.2
Bulk modulus( GPa ) 75.2
Tensile modulus( GPa ) 70.6
Tensile modulus( GPa ) 70.6
Hardness - Vickers( kgf mm⁻² ) 21
Hardness - Vickers( kgf mm⁻² ) 35-48
Tensile strength( MPa ) 50-90
Tensile strength( MPa ) 130-195
Yield strength( MPa ) Oct-35
Yield strength( MPa ) 110-170
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 2.67@20@20°C
Superconductivity critical temperature( K ) 1.175
Temperature coefficient( K⁻¹ ) 0.0045@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.42
Physical Properties
Element Value
Boiling point( C ) 2467
Density( gcm⁻³ ) 2.7@20°C
Thermal Properties
Element Value
Melting point( C ) 660.4
Latent heat of evaporation( J g⁻¹ ) 10800
Latent heat of fusion( J g⁻¹ ) 388
Specific heat( J K⁻¹ kg⁻¹ ) 900@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 237@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 23.5@0-100°C

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