Magnesium Foil

Magnesium Foil is a lightweight, high-purity metallic form (99.9%) engineered for high-performance applications in energy, electronics, and structural materials. It retains excellent formability and mechanical consistency without edge cracking due to tightly controlled microstructure and basal texturing. Mg Foil demonstrates high damping properties and low density, which are beneficial in vibration control and miniaturized devices. The mechanical profile varies with foil thickness relative to grain size, impacting tensile strength due to grain-boundary limitations. Magnesium foil plays a critical role as anode material in rechargeable Mg-ion batteries, where it undergoes stable charge-discharge cycles with minimal degradation in aprotic electrolytes. Additionally, the material shows notable thermal stability and strength enhancement through low-temperature annealing and controlled deformation techniques. Its importance extends to electromagnetic shielding, aerospace panels, and high-fidelity acoustics where weight-to-strength optimization is vital. This form of magnesium enables technological advancement in lightweight, sustainable energy systems and miniaturized electronics.

Quick Links:

Tolerance

Properties

Reference & Citations

each

Tolerances

Foil

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

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	12
Crystal structure	Hexagonal close packed
Electronic structure	Ne 3s²
Valences shown	2
Atomic weight( amu )	24.305
Thermal neutron absorption cross-section( Barns )	0.064
Photo-electric work function( eV )	3.66
Natural isotope distribution( Mass No./% )	24/ 78.99
Natural isotope distribution( Mass No./% )	26/ 11.01
Natural isotope distribution( Mass No./% )	25/ 10.00
Atomic radius - Goldschmidt( nm )	0.16
Ionisation potential( No./eV )	2/ 15.03
Ionisation potential( No./eV )	6/ 187
Ionisation potential( No./eV )	4/ 109
Ionisation potential( No./eV )	5/ 141
Ionisation potential( No./eV )	1/ 7.65
Ionisation potential( No./eV )	3/ 80.1

Mechanical Properties

Element	Value
Material condition	Hard
Material condition	Soft
Poisson's ratio	0.291
Poisson's ratio	0.291
Bulk modulus( GPa )	35.6
Bulk modulus( GPa )	35.6
Tensile modulus( GPa )	44.7
Tensile modulus( GPa )	44.7
Hardness - Vickers( kgf mm⁻² )	35-45
Hardness - Vickers( kgf mm⁻² )	30-35
Tensile strength( MPa )	232
Tensile strength( MPa )	185
Yield strength( MPa )	69
Yield strength( MPa )	100

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	4.2@20@20°C
Temperature coefficient( K⁻¹ )	0.00425@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.44

Physical Properties

Element	Value
Boiling point( C )	1090
Density( gcm⁻³ )	1.74@20°C

Thermal Properties

Element	Value
Melting point( C )	649
Latent heat of evaporation( J g⁻¹ )	5254
Latent heat of fusion( J g⁻¹ )	362
Specific heat( J K⁻¹ kg⁻¹ )	1020@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	156@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	26@0-100°C