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Paper-plastic composite packaging and aluminum foil composite packaging are widely used in the field of product packaging, and most users will use the method of first bronzing and then bag making. This process is very suitable for the use of strong packaging and printing companies
For the packaging bag after the finished product is to be gilded on the surface, the flat semi-automatic hot stamping machine can be used for processing. Although the speed is slow, the equipment investment is small, and the large-scale storage of the packaging bag is not required, thereby saving the cost. .
Because the composite bag has two layers and the inner layer is often a plastic film, improper selection of the hot stamping process can cause adhesion between the films, which is unfavorable for product loading. So what kind of approach can be used to avoid adhesion between plastic films?