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Beryllium Foil (Light Tight)
Available Configurations
Properties common to all products in this list
Acute toxicity
Serious health hazard
Starting at
$590.00
each
No Minimum order
Free technical support
*Free delivery worldwide
Material Properties
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 4 |
| Crystal structure | Hexagonal close packed |
| Electronic structure | He 2s² |
| Valences shown | 2 |
| Atomic weight( amu ) | 9.01218 |
| Thermal neutron absorption cross-section( Barns ) | 0.0092 |
| Photo-electric work function( eV ) | 3.4 |
| Atomic radius - Goldschmidt( nm ) | 0.113 |
| Ionisation potential( No./eV ) | 2/ 18.2 |
| Ionisation potential( No./eV ) | 1/ 9.32 |
| Ionisation potential( No./eV ) | 4/ 218 |
| Ionisation potential( No./eV ) | 3/ 154 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio | 0.02 |
| Poisson's ratio | 0.02 |
| Bulk modulus( GPa ) | 110 |
| Bulk modulus( GPa ) | 110 |
| Tensile modulus( GPa ) | 318 |
| Tensile modulus( GPa ) | 318 |
| Hardness - Vickers( kgf mm⁻² ) | 150 |
| Hardness - Vickers( kgf mm⁻² ) | 200 |
| Tensile strength( MPa ) | 550 |
| Tensile strength( MPa ) | 310 |
| Yield strength( MPa ) | 345 |
| Yield strength( MPa ) | 240 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 3.3@20°C |
| Superconductivity critical temperature( K ) | 0.026 |
| Temperature coefficient( K⁻¹ ) | 0.009@0-100°C |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 2470 |
| Density( gcm⁻³ ) | 1.848@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1278 |
| Latent heat of evaporation( J g⁻¹ ) | 32470 |
| Latent heat of fusion( J g⁻¹ ) | 1350 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1825@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 201@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 12@0-100°C |
Tolerances
Foil (Light Tight)
| Thickness | <0.01mm | ±25% |
|---|---|---|
| Thickness | 0.01mm - 0.05mm | ±15% |
| Thickness | >0.05mm | ±10% |