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1200 Aluminum Foil (Light Tight)

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Commodity: Metals Material: Aluminum Form: Foil (Light Tight) Grade: 1200 Composition: Al CAS Number: 7429-90-5 Purity: 99% Coating: Uncoated Light Tight: Light Tight Surface Finish: Standard
1200 Aluminum Foil (Light Tight) combines the high aluminum content (≥99.0%) of standard 1200 foil with engineered light impermeability, making it essential in optoelectronic, medical, and aerospace systems requiring complete photonic isolation. Its key properties include exceptional corrosion resistance, superior workability, and total barrier performance against light, gases, and moisture. The material is widely used in pharmaceutical blister packaging, sensitive electronic shielding, and sterile aerospace environments. Technologies that benefit include high-efficiency photonic sensors, UV-sensitive device casings, and cleanroom packaging solutions. With optimized thickness and foil grain orientation, this material ensures minimal reflectivity and eliminates photonic intrusion, which is critical for instruments operating under vacuum or in orbit. For researchers and engineers, 1200 Aluminum Foil (Light Tight) supports innovation in light-sensitive diagnostics, catalysis, and photothermal control. Its light-blocking capability and industrial versatility make it a vital material for advanced scientific infrastructures.
Starting at $319.00 each
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Material Properties

Atomic Properties
Element Value
Atomic number 13
Crystal structure Face centred cubic
Electronic structure Ne 3s² 3p¹
Valences shown 3
Atomic weight( amu ) 26.98154
Thermal neutron absorption cross-section( Barns ) 0.232
Photo-electric work function( eV ) 4.2
Atomic radius - Goldschmidt( nm ) 0.143
Ionisation potential( No./eV ) 4/ 120
Ionisation potential( No./eV ) 5/ 154
Ionisation potential( No./eV ) 6/ 190
Ionisation potential( No./eV ) 1/ 5.99
Ionisation potential( No./eV ) 3/ 28.4
Ionisation potential( No./eV ) 2/ 18.8
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.345
Poisson's ratio 0.345
Bulk modulus( GPa ) 75.2
Bulk modulus( GPa ) 75.2
Tensile modulus( GPa ) 70.6
Tensile modulus( GPa ) 70.6
Hardness - Vickers( kgf mm⁻² ) 21
Hardness - Vickers( kgf mm⁻² ) 35-48
Tensile strength( MPa ) 130-195
Tensile strength( MPa ) 50-90
Yield strength( MPa ) 110-170
Yield strength( MPa ) 10‑35
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 2.67@20°C
Superconductivity critical temperature( K ) 1.175
Temperature coefficient( K⁻¹ ) 0.0045@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.42
Physical Properties
Element Value
Boiling point( C ) 2467
Density( gcm⁻³ ) 2.7@20°C
Thermal Properties
Element Value
Melting point( C ) 660.4
Latent heat of evaporation( J g⁻¹ ) 10800
Latent heat of fusion( J g⁻¹ ) 388
Specific heat( J K⁻¹ kg⁻¹ ) 900@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 237@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 23.5@0-100°C
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Available Configurations

Properties common to all products in this list

Commodity: Metals Material: Aluminum Form: Foil (Light Tight) Grade: 1200 Composition: Al CAS Number: 7429-90-5 Purity: 99% Coating: Uncoated Light Tight: Light Tight Surface Finish: Standard

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