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Grade: TZM
Formula: Mo 99/Ti 0.5/Zr 0.1
Form: Foil (Light Tight)
Material: Molybdenum
Commodity: Alloys
Temper: As Rolled
Light Tight: Light Tight

TZM Molybdenum Alloy Foil (Light Tight)

TZM Molybdenum Alloy Foil (Light Tight) combines the high-temperature resilience of titanium-zirconium-molybdenum alloy with guaranteed optical opacity, ensuring no pinhole defects in critical shielding applications. This material retains exceptional creep resistance, mechanical stability, and thermal conductivity even under severe operating conditions. Industries such as defense, aerospace, and scientific instrumentation use light-tight TZM foil for radiation shielding, high-vacuum system barriers, and protective layers in optical experiments. Specific applications include electron microscopy shielding, high-vacuum furnace partitions, and light-blocking barriers in photonics research. In research contexts, light-tight TZM foil is investigated for its long-term oxidation resistance, radiation tolerance, and performance in ultra-clean vacuum environments. By uniting structural integrity, total optical exclusion, and thermal robustness, TZM molybdenum alloy light-tight foil provides unmatched value in high-precision, light-sensitive, and high-temperature engineering domains.
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Material Properties for Alloys

Mechanical Properties
Element Value
Elongation at break( % ) <20
Modulus of elasticity( GPa ) 320
Tensile strength( MPa ) 560-1150
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 5.3-5.5
Thermal Properties
Element Value
Maximum use temperature in air( C ) 400
Melting point( C ) 2500-2600
Specific heat( J K⁻¹ kg⁻¹ ) 305@23°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 126@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 5.3@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 10.22

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