What are the differences between 1050 aluminum foil and other aluminum foils?

What are the differences between 1050 aluminum foil and other aluminum foils?

Comparison between 1050 aluminum foil and other types of aluminum foil

1050 aluminum foil is a high-purity aluminum foil material with an aluminum content of more than 99.5%. It is widely used in food packaging, capacitors, cable belts and other fields. Compared with other types of aluminum foil, 1050 aluminum foil has the following characteristics and advantages:

Chemical composition and purity

1050 aluminum foil: aluminum content ≥99.5%, belonging to industrial pure aluminum.
Other aluminum foils: such as 1060 aluminum foil, aluminum content ≥99.6%; 3003 aluminum foil contains a small amount of manganese and copper, belonging to aluminum-manganese alloy.
Comparison: The high purity of 1050 aluminum foil makes it excellent in corrosion resistance and conductivity, but its strength is relatively low.

1050 mechanical properties

Properties1050 aluminum foil1060 aluminum foil3003 aluminum foil
Tensile strength60-100 MPa70-110 MPa85-145 MPa
Yield strength30-50 MPa40-60 MPa34-120 MPa
Elongation≥23%≥23%≥10%
  • 1050 aluminum foil: has high plasticity and good formability, but low strength.
  • 1060 aluminum foil: higher purity, slightly higher strength than 1050, but slightly worse plasticity.
  • 3003 aluminum foil: higher strength, but not as good plasticity as 1050 and 1060.

Corrosion resistance

1050 aluminum foil: has good corrosion resistance in oxidizing media, and can form a dense aluminum oxide passivation film on the surface.
Other aluminum foils: such as 3003 aluminum foil, due to the presence of a small amount of manganese and copper, the corrosion resistance is slightly inferior to 1050.

Processability

1050 aluminum foil: has excellent forming processability and is suitable for deep drawing and calendering.
Other aluminum foils: such as 3003 aluminum foil, the processability is also good, but not as good as 1050.

Application areas

1050 aluminum foil: widely used in food packaging, capacitors, cable belts, aluminum foil gaskets, etc.
1060 aluminum foil: mainly used for food packaging, pharmaceutical packaging, etc.
3003 aluminum foil: suitable for applications requiring higher strength, such as architectural decoration, container foil, etc.

Cost and price

1050 aluminum foil: simple production process, relatively low price.
Other aluminum foils: such as 3003 aluminum foil, due to the addition of alloy elements, the cost and price are relatively high.

1050 aluminum foil has significant advantages in areas such as food packaging due to its high purity, excellent formability and corrosion resistance. Compared with other aluminum foils, 1050 aluminum foil has lower strength, but its high purity and good processability make it excel in applications that require high electrical and thermal conductivity.