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Formula: Pt
Form: Wire
Material: Platinum
CAS Number: 7440-06-4
Commodity: Precious Metals
Purity:
99.99%
Platinum Straight Wire combines high tensile strength, corrosion resistance, and excellent electrical conductivity in a rigid linear form, making it suitable for precision electrical, thermal, and mechanical applications. This geometry allows direct integration into connectors, probes, and heating elements without the need for spooling. Industries such as electronics, medical devices, and analytical instrumentation use platinum straight wire for thermocouple fabrication, precision electrode manufacturing, and high-stability electrical leads. Specific applications include laboratory resistance thermometers, implantable medical sensors, and corrosion-resistant contact points. In research, it is used for electrochemical studies, microfabrication, and high-temperature testing. The combination of material durability and precise form ensures reliability in critical performance environments.
Tolerances
Wire
| Diameter | ±10% | |
|---|---|---|
| Length | +5% / -1% |
Material Properties for Precious Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 78 |
| Crystal structure | Face centred cubic |
| Electronic structure | Xe 4f¹⁴ 5d⁹ 6s¹ |
| Valences shown | 1,2,3,4 |
| Atomic weight( amu ) | 195.08 |
| Thermal neutron absorption cross-section( Barns ) | 9 |
| Photo-electric work function( eV ) | 5.3 |
| Natural isotope distribution( Mass No./% ) | 192/ 0.79 |
| Natural isotope distribution( Mass No./% ) | 196/ 25.30 |
| Natural isotope distribution( Mass No./% ) | 190/ 0.01 |
| Natural isotope distribution( Mass No./% ) | 195/ 33.80 |
| Natural isotope distribution( Mass No./% ) | 198/ 7.20 |
| Natural isotope distribution( Mass No./% ) | 194/ 32.90 |
| Atomic radius - Goldschmidt( nm ) | 0.138 |
| Ionisation potential( No./eV ) | 1/ 9.0 |
| Ionisation potential( No./eV ) | 2/ 18.6 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio | 0.39 |
| Poisson's ratio | 0.39 |
| Bulk modulus( GPa ) | 276 |
| Bulk modulus( GPa ) | 276 |
| Tensile modulus( GPa ) | 170 |
| Tensile modulus( GPa ) | 170 |
| Hardness - Vickers( kgf mm⁻² ) | 40 |
| Hardness - Vickers( kgf mm⁻² ) | 100 |
| Tensile strength( MPa ) | 200-300 |
| Tensile strength( MPa ) | 125-150 |
| Yield strength( MPa ) | 14-35 |
| Yield strength( MPa ) | 185 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 10.58@20@20°C |
| Temperature coefficient( K⁻¹ ) | 0.00392@0-100°C |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 3827 |
| Density( gcm⁻³ ) | 21.45@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1772 |
| Latent heat of evaporation( J g⁻¹ ) | 2405 |
| Latent heat of fusion( J g⁻¹ ) | 101 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 133@025°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 71.6@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 9@0-100 |
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