Zirconium Foil (Light Tight)

Formula: Zr

Form: Foil (Light Tight)

Material: Zirconium

CAS Number: 7440-67-7

Commodity: Metals

Light Tight: Light Tight

Zirconium Foil (Light Tight) is a thin metal foil that blocks visible light transmission. This material comes in 121 variations, with multiple thicknesses, sizes and surface finishes to choose from. The opacity, corrosion resistance, and thermal conductivity of zirconium make it useful for applications like thermal insulation, cathode ray tube getters and as a protective coating on other metals. Zirconium Foil (Light Tight) enables light blocking and other functions in industrial, scientific and commercial products.

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Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	40
Crystal structure	Hexagonal close packed
Electronic structure	Kr 4d² 5s²
Valences shown	2,3,4
Atomic weight( amu )	91.22
Thermal neutron absorption cross-section( Barns )	0.182
Photo-electric work function( eV )	3.8
Natural isotope distribution( Mass No./% )	96/ 2.8
Natural isotope distribution( Mass No./% )	92/ 17.1
Natural isotope distribution( Mass No./% )	91/ 11.2
Natural isotope distribution( Mass No./% )	94/ 17.5
Natural isotope distribution( Mass No./% )	90/ 51.4
Atomic radius - Goldschmidt( nm )	0.16
Ionisation potential( No./eV )	4/ 34.34
Ionisation potential( No./eV )	Jun-99
Ionisation potential( No./eV )	2/ 13.13
Ionisation potential( No./eV )	1/ 6.84
Ionisation potential( No./eV )	5/ 81.5
Ionisation potential( No./eV )	3/ 22.99

Mechanical Properties

Element	Value
Material condition	Polycrystalline
Material condition	Soft
Poisson's ratio	0.38
Poisson's ratio	0.38
Bulk modulus( GPa )	89.8
Bulk modulus( GPa )	89.8
Tensile modulus( GPa )	98
Tensile modulus( GPa )	98
Hardness - Vickers( kgf mm⁻² )	85-100
Tensile strength( MPa )	350-390
Yield strength( MPa )	250-310

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	44@20@20°C
Superconductivity critical temperature( K )	0.61
Temperature coefficient( K⁻¹ )	0.0044@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	1.17

Physical Properties

Element	Value
Boiling point( C )	4377
Density( gcm⁻³ )	6.49@20°C

Thermal Properties

Element	Value
Melting point( C )	1852
Latent heat of evaporation( J g⁻¹ )	6360
Latent heat of fusion( J g⁻¹ )	211
Specific heat( J K⁻¹ kg⁻¹ )	281@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	22.7@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	5.9@0-100°C

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Zirconium Foil (Light Tight)

Material Properties for Metals