(Continued to last article)
Solution to the problem of uv varnish in printing (F)
UV varnish is a kind of transparent paint, also called UV varnish. Its function is to spray or roll on the surface of the substrate, after being irradiated by the UV lamp, it will turn from liquid to solid, and then achieve surface hardening, its scratch and scratch resistance effect, and the surface looks bright, beautiful, and round texture . There are still some problems in the process of practical use, but we can provide corresponding solutions for the use of UV varnish.
Six, UV varnish has poor adhesion
Main reason
1. Crystallization of printing ink surface
2. The additives in the printing ink are inappropriate
3. The UV varnish itself has insufficient adhesion
4. The curing conditions of the UV light source are inappropriate.
Solution to the problem of uv varnish in printing (F) Solutions to uv varnish problem.
The printing process should consider the conditions of the ultraviolet light source in advance, and consider whether the parameters of the ultraviolet curing equipment and the ink match and other factors; coat the printed product with a primer that enhances adhesion.
Solution to the problem of uv varnish in printing (F) in printing in practical solved picture with beautiful refinshing effects.
Solution to the problem of uv varnish in printing (E) topic(To be continued)
Solution to the problem of uv varnish in printing (F) further infromation discussion contacts