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Platinum/Iridium Alloy Foil (Pt90/Ir10)

Platinum/Iridium Alloy Foil (Pt90/Ir10) is a metallic foil from Goodfellow's range of precious metal alloys. The high temperature resistance and corrosion resistance of platinum combined with the strength and hardness of iridium make this alloy useful for high temperature electrical contacts and crucibles for handling corrosive chemicals. This alloy is also commonly used for the tips of spark plugs due to its resistance to electrical erosion. As a high performance foil, Platinum/Iridium Alloy Foil (Pt90/Ir10) enables innovative applications across industries like electronics, aerospace, and chemistry.
Formula: Pt90/Ir10
Temper: As Rolled
Thickness: 0.25mm
Length 1: 100mm
Length 2: 100mm
UOM Code: 408-026-05
SKU: 1000163984
Product Code: PT02-FL-000160

Tolerances

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

Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%
Technical Data Sheet
Safety Data Sheet
$10,484.53
each
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Material Properties for Precious Metals

Mechanical Properties
Element Value
Hardness - Brinell 130-190
Elongation at break( % ) <25
Tensile strength( MPa ) 380-620
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 25
Temperature coefficient( K⁻¹ ) 0.0013
Thermal Properties
Element Value
Melting point( C ) 1800
Thermal conductivity( W m⁻¹ K⁻¹ ) 31@23
Thermal conductivity( W m⁻¹ K⁻¹ ) 31@23C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8.7@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 21.56
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