Many of the current packaging bags mainly focus on the advertising ideas outside, and print the good copy combined with the product characteristics on the appearance of the packaging bag to attract customers' desire to buy. We will see creative packaging bags in many cases, so the manufacturer is How is it printed?
Before printing, color separation and plate making are required. The color separation and plate making requires a white plate for primer and corresponding color plate. It can be used for this operation in the electronic engraving system and can also be planned in the prepress planning system. Ok, then carve the printing plate directly on the electronic carver.
If you are printing on a unit-type printing machine, the detailed steps are plate installation, upper doctor blade, ink preparation ink preparation, roll up, test ink, conditioning, and official printing. The lamination in color-printed plastic bags is performed on a dedicated lamination machine. The final step in making a plastic bag is bag making. The practice is bonding. Two layers of film are bonded to form a three-side sealed plastic bag, which is cut into individual bags.