In today's printing industry, you have a special craft, which means that the nature of victory is tilted towards you. So, is the 3D local UV hot stamping the first UV then hot stamping? Or is UV better after hot stamping? Let's take a look at the possible negative consequences of these two methods;

1. UV and hot stamping;

It mainly refers to that the anodized aluminum will pull away the printing ink or varnish after printing. The main reason is that the ink on the surface of the printed product is not dry or the post-processing such as UV on the surface of the printed product is improper. Solution: wait for the printed product to dry before bronzing. In addition, anodized aluminum with lower separation force and excellent heat transfer can be selected.

2. First stamping and then UV;

① Films (especially matt films) will damage the surface gloss of anodized aluminum. It is not suitable to use water-soluble glue coating, otherwise it will cause the surface of anodized aluminum to become black, and at the same time, it will easily cause gold powder to stick to the edges of graphics and cause fuzziness.

② After hot stamping, it will sag due to the pressure, and the glue will not easily penetrate the surface of the anodized aluminum, which will easily cause the OPP to separate from the hot stamping and affect the product quality. The correct process is to first cover the film and then bronzing, and choose anodized aluminum that matches the OPP.

The emergence of 3D partial UV hot stamping post-improvement process provides a reference way for everyone to solve.

The high adhesion of 3D local UV hot stamping and the characteristics of wear resistance and flower resistance provide high-quality protection for hot stamping patterns. Due to the characteristics of the gloss of the raw resin of UV, it can effectively improve the gloss of anodized aluminum and make the pattern more realistic At the same time, in addition to pure colorless imported raw materials will not affect the color change of anodized aluminum, it can also give the hot stamping pattern a glaze-like texture.

3D local UV hot stamping also has a distinguished feature, which is its special three-dimensional effect, with a three-dimensional height of 0.25mm, which is not a numerical height that can be surpassed by the general post-press process. It can be seen in the figure that the 3D local UV hot stamping can indeed make the flat hot stamping pattern produce a real three-dimensional texture.