Double-zero aluminum foil refers to aluminum foil thickness with two zeros after the decimal point, such as 0.009 aluminum foil, 0.007 aluminum foil. GNEE provides double-zero aluminum foil, which can provide various materials, such as 8011 aluminum foil, 1235 aluminum foil and other materials. The double-zero aluminum foil currently available is a product with a thickness of 0.0065mm or more.
Double-double-zero aluminum foil refers to aluminum foil with two zeros after the decimal point when the thickness is measured in mm. Currently, double-zero aluminum foil with a thickness of about 0.006mm is used in large areas around the world. This can further reduce the thickness, improve the mechanical properties of double-zero foil, and reduce the needle Porosity represents the development direction of double-zero aluminum foil. There are still very few companies at home and abroad that can produce ultra-thin aluminum foil (less than 0.0050mm thickness).
In the existing technology, the following process flow is used to prepare double-zero aluminum foil: first cast the aluminum liquid into an ingot, heat it evenly, then perform hot continuous rolling and cold rolling on the ingot to obtain an aluminum foil blank, and then perform an intermediate annealing. After intermediate annealing, continue cold rolling and foil rolling on the aluminum foil blank to obtain a finished double-zero aluminum foil product with a thickness less than 0.01mm, and then roll the finished product according to product needs. The disadvantage of the existing technology is that during the rolling process of the finished double-zero aluminum foil, more pinholes appear, which affects the quality of the double-zero aluminum foil.
