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Formula: Pt70/Ir30
Form: Foil
Material: Platinum/Iridium Alloy
Commodity: Precious Metals
Platinum/Iridium Alloy Foil (Pt70/Ir30) is a metal foil within Goodfellow's range of foils. The platinum-iridium alloy combines high temperature stability, corrosion resistance, and mechanical strength. With a melting point over 2000°C, the foil retains its properties in extreme environments. The alloy is commonly used in high temperature electrical contacts, thermocouples, and crucibles for single crystal production. The Goodfellow catalogue offers platinum-iridium foil in a variety of dimensions and purities to meet application requirements across science and industry.
Tolerances
Foil
| 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( % ) | 18 |
| Modulus of elasticity( GPa ) | 236 |
| Hardness - Vickers( kgf mm⁻² ) | 280-285 |
| Tensile strength( MPa ) | 980-1100 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 35 |
| Temperature coefficient( K⁻¹ ) | 0.001 |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 2153 |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 8.6@20-100°C |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 21.7 |
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Tungsten/Copper Alloy Foil (Light Tight) (W 80/Cu20) Formula: W 80/Cu20
Thickness: 3mm
Length 1: 100mm
Length 2: 100mm
UOM Code: 473-210-07
eachStarting at $319.94
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Platinum/Rhodium Alloy Foil (Light Tight) (Pt60/Rh40) Formula: Pt60/Rh40
Temper: As Rolled
Thickness: 0.125mm
Length 1: 25mm
Length 2: 25mm
UOM Code: 742-121-52
eachStarting at $3,363.68
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Terbium Foil (Light Tight) Formula: Tb
Percentage Purity: 93%
Temper: As Rolled
Thickness: 0.6mm
Length 1: 50mm
Length 2: 50mm
UOM Code: 436-560-65
eachStarting at $0.00
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Selenium Foil (Light Tight) Formula: Se
Percentage Purity: 99.95%
Thickness: 3mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7782-49-2
UOM Code: 663-952-12
eachStarting at $1,290.46
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Tin/Lead/Silver Alloy Foil (Light Tight) (Sn62/Pb36/Ag2) Formula: Sn62/Pb36/Ag2
Temper: As Rolled
Thickness: 0.5mm
Length 1: 15mm
Length 2: 15mm
UOM Code: 986-630-91
eachStarting at $260.49
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6-4 Plate Titanium Foil (Light Tight) Grade: 6-4 Plate
Formula: Ti
Thickness: 25mm
Length 1: 278mm
Length 2: 278mm
CAS Number: 7440-32-6
UOM Code: 929-338-86
eachStarting at $0.00
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