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Platinum/Iridium Alloy Foil (Light Tight) (Pt90/Ir10)

Platinum Iridium Alloy Foil Light Tight (Pt90/Ir10) combines exceptional corrosion resistance, mechanical strength, and stability at elevated temperatures with a pinhole-free structure to ensure total light exclusion. This makes it indispensable in high-vacuum optical systems, radiation shielding for sensors, and precision photolithography. Industries rely on it for electron beam equipment components, optical device isolation layers, and protective sheaths for light-sensitive electronics. Research uses include development of photonic test environments, creation of defect-free reflective surfaces, and shielding for spectroscopy equipment. The integration of platinum’s noble metal resilience and iridium’s hardening effect with a flawlessly light-tight foil format delivers exceptional durability, optical integrity, and stability for advanced scientific and engineering applications.
Formula: Pt90/Ir10
Temper: As Rolled
Thickness: 2mm
Length 1: 10mm
Length 2: 10mm
UOM Code: 408-074-55
Legacy Code: PT020350
Distributor Code:
GF40807455
SKU: 1000164004
Product Code: PT02-FL-000250
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$2,320.00
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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