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Formula: Hf
Form: Foil (Light Tight)
Material: Hafnium
CAS Number: 7440-58-6
Commodity: Metals
Purity:
97%
Light Tight:
Light Tight
Hafnium Foil (Light Tight) is a thin, opaque metal foil product from our extensive range of specialty metals. With a wide choice of 49 variations, this foil can be customized in terms of thickness, size and surface finish. The high density and corrosion resistance of hafnium make it ideal for radiation shielding in aerospace and nuclear applications. Its opacity means it can also be used as a barrier layer in electronics and optics. Our Hafnium Foil range provides customizable high-performance solutions across scientific research and industry.
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 72 |
| Crystal structure | Hexagonal close packed |
| Electronic structure | Xe 4f¹⁴ 5d² 6s² |
| Valences shown | 4 |
| Atomic weight( amu ) | 178.49 |
| Thermal neutron absorption cross-section( Barns ) | 103 |
| Photo-electric work function( eV ) | 3.9 |
| Natural isotope distribution( Mass No./% ) | 179/ 13.8 |
| Natural isotope distribution( Mass No./% ) | 176/ 5.2 |
| Natural isotope distribution( Mass No./% ) | 180/ 35.2 |
| Natural isotope distribution( Mass No./% ) | 174/ 0.2 |
| Natural isotope distribution( Mass No./% ) | 177/ 18.5 |
| Natural isotope distribution( Mass No./% ) | 178/ 27.1 |
| Atomic radius - Goldschmidt( nm ) | 0.159 |
| Ionisation potential( No./eV ) | 3/ 23.3 |
| Ionisation potential( No./eV ) | 1/ 7.0 |
| Ionisation potential( No./eV ) | 2/ 14.9 |
| Ionisation potential( No./eV ) | 4/ 33.3 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio | 0.26 |
| Poisson's ratio | 0.26 |
| Bulk modulus( GPa ) | 109 |
| Bulk modulus( GPa ) | 109 |
| Tensile modulus( GPa ) | 141 |
| Tensile modulus( GPa ) | 141 |
| Hardness - Vickers( kgf mm⁻² ) | 150-180 |
| Tensile strength( MPa ) | 445 |
| Tensile strength( MPa ) | 745 |
| Yield strength( MPa ) | 365 |
| Yield strength( MPa ) | 240 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 32.2@20@20°C |
| Superconductivity critical temperature( K ) | 0.128 |
| Temperature coefficient( K⁻¹ ) | 0.0044@0-100°C |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 4602 |
| Density( gcm⁻³ ) | 13.1@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 2227 |
| Latent heat of evaporation( J g⁻¹ ) | 3700 |
| Latent heat of fusion( J g⁻¹ ) | 122 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 146@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 23@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 6@0-100°C |
Other Customers Purchased
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Selenium Foil (Light Tight) Formula: Se
Percentage Purity: 99.95%
Thickness: 3mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7782-49-2
UOM Code: 663-952-12
eachStarting at £1,032.37
Discounts applied for volume purchases -
Terbium Foil (Light Tight) Formula: Tb
Percentage Purity: 93%
Temper: As Rolled
Thickness: 0.6mm
Length 1: 50mm
Length 2: 50mm
UOM Code: 436-560-65
eachStarting at £0.00
Discounts applied for volume purchases -
Platinum/Rhodium Alloy Foil (Light Tight) (Pt60/Rh40) Formula: Pt60/Rh40
Temper: As Rolled
Thickness: 0.125mm
Length 1: 25mm
Length 2: 25mm
UOM Code: 742-121-52
eachStarting at £2,690.94
Discounts applied for volume purchases -
6-4 Plate Titanium Foil (Light Tight) Grade: 6-4 Plate
Formula: Ti
Thickness: 25mm
Length 1: 278mm
Length 2: 278mm
CAS Number: 7440-32-6
UOM Code: 929-338-86
eachStarting at £0.00
Discounts applied for volume purchases -
Tungsten/Copper Alloy Foil (Light Tight) (W 80/Cu20) Formula: W 80/Cu20
Thickness: 3mm
Length 1: 100mm
Length 2: 100mm
UOM Code: 473-210-07
eachStarting at £255.95
Discounts applied for volume purchases -
Tin/Lead/Silver Alloy Foil (Light Tight) (Sn62/Pb36/Ag2) Formula: Sn62/Pb36/Ag2
Temper: As Rolled
Thickness: 0.5mm
Length 1: 15mm
Length 2: 15mm
UOM Code: 986-630-91
eachStarting at £208.39
Discounts applied for volume purchases
