Many packaging bags nowadays focus on advertising ideas outside, and print good copy with product characteristics on the surface of the packaging bag to attract customers' purchase desire. We will often see creative packaging bags in many cases, so the manufacturers are How is it printed?
Before printing, the color separation and plate making are performed first. The color separation and plate making requires a white plate to be used as a base and a corresponding color plate. This operation can be performed in the electronic carving system and can be planned in the prepress planning system OK, then print the plate directly on the electronic router.
If the printing is performed on a unit printing press, the detailed steps are plate loading, squeegee loading, ink preparation, ink reeling, ink test, conditioning, and formal printing. The lamination in color printing plastic bags is performed on a dedicated laminator. The end of making plastic bags is bag making. The practice is bonding. Two layers of film are bonded to form a three-sided sealed plastic bag, and cut into individual bags.