Magnesium Foil (Light Tight)

Formula: Mg

Form: Foil (Light Tight)

Material: Magnesium

CAS Number: 7439-95-4

Commodity: Metals

Light Tight: Light Tight

Magnesium Foil (Light Tight) is a thin rolled foil of magnesium metal available in 87 thicknesses and sizes. Magnesium is a lightweight metal valued for properties such as low density, high strength-to-weight ratio and good thermal conductivity. The light tight material blocks visible light transmission for applications like scientific instrumentation. Our Magnesium Foil (Light Tight) range offers customizable dimensions to suit needs across research, aerospace, automotive and electronics industries.

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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

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Magnesium Foil (Light Tight)

Material Properties for Metals