There are many types of aluminized composite films. At present, the most widely used aluminized films are polyester aluminized film (VMPET) and CPP aluminized film (VMCPP). Polyester aluminized film (VMPET) is generally used as the middle layer of composite packaging. Because of its beautiful appearance, it is most widely used in high-end packaging, such as milk powder, tea and other packaging bags. CPP aluminized film (VMCPP) is generally used as a heat sealing layer for composite packaging, and is often used for packaging ordinary small foods (such as biscuits).
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