Aluminum Foil

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.

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Technical Data Sheet Tolerance Properties

each

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