The ink layer is thick. Advantages: bright colors, giving a very full feeling, strong stereo, suitable for large areas of the field, text and other patterns. Disadvantages: The ink consumption is large, about 3 times thicker than offset printing, the light curing speed is slow, the ink film shrinks more obviously, and it is easy to cause shrinkage of the disk, or even bending, which causes quality problems.
Since most PVC cards are imprinted in printing, dozens of singles are spelled on the same PS plate, so it is difficult to take care of each single in the printing and coloring, and sometimes it is a certain color. The other single color is far behind.