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Formula: Pt80/Ir20
Form: Disk
Material: Platinum/Iridium Alloy
Commodity: Precious Metals
Temper:
As Rolled
Goodfellow's range of Platinum/Iridium Alloy disks includes this Pt80/Ir20 foil. With its high melting point, excellent corrosion resistance, and outstanding chemical inertness, this foil is ideal for applications like gaskets, seals, and corrosion-resistant coatings in extreme environments. The high stiffness and strength of the Pt80/Ir20 alloy also make this foil suitable for precision parts where dimensional stability is critical. As a leader in materials science, Goodfellow provides high-quality Pt/Ir foils to enable breakthroughs across industries.
Tolerances
Disk
| Thickness | >0.05mm | ±10% |
|---|---|---|
| Thickness | <0.01mm | ±25% |
| Thickness | 0.01mm - 0.05mm | ±15% |
Material Properties for Precious Metals
Mechanical Properties
| Element | Value |
|---|---|
| Elongation at break( % ) | <20 |
| Modulus of elasticity( GPa ) | 198 |
| Hardness - Vickers( kgf mm⁻² ) | 190-200 |
| Tensile strength( MPa ) | 680-700 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 31-32 |
| Temperature coefficient( K⁻¹ ) | 0.001 |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1830-2123 |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 8.3@0-100°C |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 21.7 |