To print the text or pattern on the OPP bag，first, put the need to print the bag semi-finished products for surface electronic processing,because the surface of the electronic processing of the bag printed on the film will not fade ink.And then to the engraving or copper engraved on the text (called prepress mold), affixed to or placed in the printing press release position, the ink transferred through the mold in the plastic bag, so that the completion of the plastic bag printing.
When printing should pay attention to the gap between the mold and the bag, the gap is too big will cause the ink to be too thick and too much,also the gap is too small will lead to too little ink, too shallow.
OPP bags in the use of the process must pay attention to the design of the packaging, the pattern and text must be arranged, so that the characteristics of the product can be a good show, in terms of printing in accordance with national standards to work, do not cut corners of.
