date:Dec 09, 2013
d composition, if not, it can harm the bag making process and affect the product shelf life and package stability. To note that in some cases a third layer barrier can be used to better protect the product. In these cases, we can turn to Aluminum (ALU) and with 9 microns it can be sufficient, with this a three layer film is obtained: PET12/ALU9/PE80, which is quite common and covers a wide range. It is true that in some cases in order to find cheaper film the aluminum has been substituted for a