Varnish, a synthetic resin, is now commonly referred to as a surface clear varnish, made of a base material and additives, without any pigment, and shiny after filming, commonly known as varnish.
The earliest lacquer oil was tung oil. At that time, there was no synthetic resin, only earth paint, lacquer, and the like. In many places, people like to paint light oil on newly-made wooden barrels, tubs and the like, so that they play a role in waterproofing, protection and decoration. At that time, tung oil was widely used in many industries such as furniture, architecture, and fine arts.
In fact, Varnish is divided into UV Varnish and PU Varnish. Among them, UV Varnish is widely used in the printing industry.
UV Varnish is a transparent coating that someone calls a UV varnish. Its role is to spray or roll on the surface of the substrate, after irradiation of the UV lamp to convert from liquid to solid, and then to achieve surface hardening, scratch resistance and scratch resistance, and the surface looks bright, beautiful, smooth texture . One of the most used in the printing industry is UV matte film.
Uv matte film has the following characteristics:
1, excellent adhesion. When testing with the United States 3M's tape in the same place to pull three times, there will be no UV coating.
2, high gloss, high smoothness and high leveling. The smoothing agent produced by BYK, the world's best additive company, can be used to achieve a mirror effect under a good UV machine. It has the characteristics of fine film formation, good hand feeling, and the gloss is above 85 degrees.
3, curing speed. Under the premise of sufficient energy of the UV machine, the speed can reach more than 8,000 sheets per hour, which saves time.
The main effects of uv matte film are the following two:
1, transparent protective paint, its hardness and wear resistance and other properties better than the color paint, play a protective role.
2, hand paint, its brightness and brightness is very good, feels good feel. For example, PU paint sprayed on silicone and UV paint sprayed on plastic parts are such matte film paints.
Summary: The use of UV Varnish in printing will improve the quality of your product.
An Analysis of the Role of uv Matt Film Varnish in Printing
May 30 06:05:24, 2024
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