What determines the depth of uv ink color?
The so-called ink concentration is also the tinting strength of the ink, which is
a common name that reflects the dispersion of the ink and the pigment content
in the ink. That is to say, the higher the degree of dispersion of the pigment,
the higher the concentration of the ink; the higher the pigment content in the ink,
the greater its concentration.
In addition to pigments determining the concentration of ink, linking materials,
fillers and additives also affect the concentration of ink to a certain extent.
The production process shows that the ink concentration is one of the important
indicators affecting the printing quality. Therefore, it is of great significance to
correctly understand and understand several factors related to the ink concentration for
the production process control of the printing process and to improve the printing
quality of the product.
The concentration of uv ink is large, and its consistency is also large. Therefore,
the concentration of the ink determines the depth of the ink hue. When the ink
concentration is high, the printing hue will be darker; otherwise, the printing hue will
be lighter. The ink with high concentration consumes relatively less ink in printing,
and the ink color quality is also better; on the contrary, the ink with low concentration
uses relatively more ink during printing, and the ink color is relatively light.
The concentration of the ink is particularly prominent when printing large-area plate products.
It can be seen that the ink concentration directly affects the printing quality of the product.
Therefore, when printing products with fine screen lines or thin lines, it is generally
necessary to use ink with a high concentration for printing, while for products with solid layouts,
it is suitable to use ink with a slightly lower concentration. Ink to print. Because the ink has a
"thixotropic" side, when the printing environment temperature is high and the machine speed
is fast, the ink will be heated and thinned, and its concentration will decrease. This requires the
use of ink with a slightly higher concentration for printing, which can better ensure the ink
color of the product. quality. On the contrary, ink with a slightly lower concentration
can be used for printing.
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