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Formula: Fe64/Ni36
Form: Foil (Light Tight)
Material: Invar®
Commodity: Alloys
Light Tight:
Light Tight
Hazard Pictogram:
GHS07,GHS08
Invar® Foil (Light Tight) comes in 105 variations that differ in dimensions, thickness and surface finish. Consisting primarily of iron and nickel, it has an extremely low coefficient of thermal expansion. This makes it ideal for applications that require high dimensional stability under temperature changes, like precision instruments and optical mirrors. Being light tight, this foil blocks visible light transmission, so it can be used when light leakage needs to be prevented in optical devices or light-sensitive electronics.
Health hazard/Hazardous to the ozone layer
Serious health hazard
Material Properties for Alloys
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Brinell | 160 |
| Elongation at break( % ) | 45 |
| Modulus of elasticity( GPa ) | 140-150 |
| Tensile strength( MPa ) | 450-590 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 75-85 |
Magnetic Properties
| Element | Value |
|---|---|
| Curie temperature( C ) | 279 |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1427 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 515@23°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 13@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 1.7-2@20-90°C |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 8 |
Other Customers Purchased
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X-ray Quality Rhodium Foil Grade: X-ray Quality
Formula: Rh
Percentage Purity: 99.9%
Temper: As Rolled
Thickness: 0.025mm
Length 1: 10mm
Length 2: 10mm
CAS Number: 7440-16-6
UOM Code: 464-926-09
eachStarting at €572.67
Discounts applied for volume purchases -
Yttrium Foil Formula: Y
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.1mm
Length 1: 50mm
Length 2: 50mm
CAS Number: 7440-65-5
UOM Code: 117-129-99
eachStarting at €0.00
Discounts applied for volume purchases -
Ytterbium Foil Formula: Yb
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-64-4
UOM Code: 000-446-82
eachStarting at €0.00
Discounts applied for volume purchases -
Zinc Foil Formula: Zn
Percentage Purity: 99.9%
Thickness: 0.0025mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-66-6
UOM Code: 013-016-12
eachStarting at €0.00
Discounts applied for volume purchases -
Waspaloy® Foil Formula: Ni58/Cr19/Co14/Mo/Ti/Al/Fe
Temper: Annealed
Thickness: 0.25mm
Length 1: 100mm
Length 2: 100mm
UOM Code: 558-637-81
eachStarting at €158.92
Discounts applied for volume purchases -
Zirconium Foil Formula: Zr
Percentage Purity: 99.2%
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-67-7
UOM Code: 004-371-61
eachStarting at €0.00
Discounts applied for volume purchases
