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Platinum/Rhodium Alloy Foil (Pt60/Rh40)

Formula: Pt 60/Rh 40
Form: Foil/Film/Sheet
Material: Platinum/Rhodium Alloy
Commodity: Precious Metals
Temper: As Rolled
Thickness: 0.125mm
Platinum/Rhodium Alloy Foil (Pt60/Rh40) is an advanced material within Goodfellow's range of foil products. This alloy foil combines platinum's excellent resistance to oxidation and corrosion with rhodium's high temperature strength and hardness. The Pt60/Rh40 alloy has enhanced workability and ductility compared to pure platinum, making it suitable for applications like electrical contacts and thermocouples. The alloy's high reflectivity also makes it useful for optical mirrors. With its blend of properties, the Pt60/Rh40 alloy expands the possibilities for platinum-based foils.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Foil/Film/Sheet
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%

Material Properties for Precious Metals

Mechanical Properties
Element Value
Elongation at break( % ) <30
Hardness - Vickers( kgf mm⁻² ) 115-150
Tensile strength( MPa ) 569-588
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 17.5
Temperature coefficient( K⁻¹ ) 0.0014
Thermal Properties
Element Value
Maximum use temperature in air( C ) 1700
Melting point( C ) 2226
Physical Properties
Element Value
Density( gcm⁻³ ) 17

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