How to increase screen printing ink gloss

In the plexiglass wine card, plexiglass label, plexiglass cosmetics display rack and other plexiglass production, requires the use of plexiglass screen printing process, increase the gloss of the ink film of the plexiglass screen printing ink, can improve the quality of plexiglass products. There are five ways to increase the gloss of plexiglass screen printing ink ink film;

1. Add an appropriate amount of toning oil within the allowable range of color concentration.

2, in the printing ink film surface coated with a layer of masking oil or ink adjustment oil.

3, increase ink transparency, such as the selection of high-gloss ink with high transparency or add the right amount of toning oil, the use of smooth reflection of the strong substrate to increase luster.

4, prevent the substrate surface adsorption, reasonable improvement of the substrate printing surface smoothness.

5. Pay attention to the temperature of the printing environment. In the case of high humidity and low temperature, when plastic gravure printing is carried out, due to the rapid evaporation of solvent (usually the surface of the ink film is dry within 1 minute), the heat around the ink film is absorbed and the water vapor in the air is condensed rapidly, so that the surface of the printing ink film forms fog and the ink layer loses luster. In the plum rain season, special attention should be paid to controlling the temperature and humidity of the printing environment to ensure good printing effect. Suzhou silk screen printing ink