4047 Aluminum Foil (Light Tight)

Goodfellow's 4047 Aluminum Foil (Light Tight) is a high purity aluminum foil product notable for its light blocking abilities. With a thickness of 0.1mm, this foil blocks 99.9% of visible light while remaining highly flexible. Key applications of this light tight foil include its use as a barrier material in packaging where light exposure must be prevented. It also finds use in scientific instrumentation where stray light needs to be blocked. As part of Goodfellow's broad range of aluminum foil offerings, this light tight foil enables light blocking across a variety of industries and applications.

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Properties

Reference & Citations

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Material Properties for Alloys

Mechanical Properties

Element	Value
Hardness - Brinell	0
Hardness - Rockwell	0
Elongation at break( % )	0
Modulus of elasticity( GPa )	0
Tensile modulus( GPa )	0
Izod impact strength( J m⁻¹ )	0
Hardness - Vickers( kgf mm⁻² )	0
Shear strength( MPa )	0
Tensile strength( MPa )	0

Magnetic Properties

Element	Value
Initial permeability	0
Maximum permeability	0
Coercivity (Hc)( A m⁻¹ )	0
Curie temperature( C )	0
Remanence from saturation (Brem)( T )	0
Saturation flux density( T )	0
Saturation Induction( T )	0

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	0
Temperature coefficient( K⁻¹ )	0

Thermal Properties

Element	Value
Crystallisation temperature( C )	0
Maximum use temperature in air( C )	0
Melting point( C )	0
Temperature - Austenitic( C )	0
Temperature - Martensitic( C )	0
Specific heat( J K⁻¹ kg⁻¹ )	0
Thermal conductivity( W m⁻¹ K⁻¹ )	0
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	0