What are the characteristics of bright ink for metal box packaging printing

The metal box packaging needs to be covered with a layer of bright oil after the printing is completed to increase the surface gloss and scratch resistance of the printed part, and also increase a certain hardness, so that the printing surface coating has a certain flexibility and corrosion resistance. So what are the characteristics that metal box packaging varnish should have? Tin box factory to tell you.

1. Good color retention performance, the solvent in the varnish cannot make the ink bleed and fade, and it must have sufficient hardness and firmness to withstand the processing deformation of the subsequent process;

2. In order to improve production efficiency and save energy, the oval tea tin box, in general, the last printing process is combined with the varnishing process;

3. The metal box packaging varnish has different components, different properties, and different uses. Usually, different types of varnishes should be selected according to specific conditions;

4. Over-varnish treatment can make the surface of the metal box package dull, with a paper texture and elegant decorative effect. From different angles, it has a very high artistic appreciation value.

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