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ink layer thickness of quality Flexible LED-UV Curable Ink
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- Time of issue:2023-02-16 15:34
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(Summary description)The thinner the ink layer of quality Flexible LED-UV Curable Ink, the faster the light curing speed; the thicker the ink layer, the slower the light curing speed.
ink layer thickness of quality Flexible LED-UV Curable Ink
(Summary description)The thinner the ink layer of quality Flexible LED-UV Curable Ink, the faster the light curing speed; the thicker the ink layer, the slower the light curing speed.
- Categories:Flexible LED-UV Curable Ink News
- Author:
- Origin:
- Time of issue:2023-02-16 15:34
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The thinner the ink layer of quality Flexible LED-UV Curable Ink, the faster the light curing speed; the thicker the ink layer, the slower the light curing speed. During the photocuring process, because the pigment on the surface of the ink layer absorbs part of the ultraviolet light, which affects the light transmittance of the ink, resulting in a decrease in the photocuring speed; on the other hand, after the quality Flexible LED-UV Curable Ink is irradiated by ultraviolet light, The surface is cured into a glossy ink film, which affects the light transmittance of the ink, so the light curing speed slows down.
When printing solid colors in packaging printing, in order to achieve the purpose of printing solid colors thick and bright, the same color often needs to be overprinted twice or even three times, and the thickness of the ink layer is relatively thick. Therefore, attention should be paid to printing one color per set and curing one color in time.
However, if the quality Flexible LED-UV Curable Ink is completely cured in the first printing, it will form a smooth surface, and it will be difficult for the ink to penetrate during the second overprinting, and it will only lie on the surface of the ink film, which will easily cause insufficient adhesion. The adjustment of the intensity is particularly critical. Do not use strong light when printing the lamp for the first few times. Use strong light and reduce the passing speed after the last printing, so that the ultraviolet light has enough energy and penetrates several layers of ink to make it completely solidify.
Therefore, quality Flexible LED-UV Curable Ink printing should minimize overprinting, because it is difficult to grasp the curing degree of the ink layer, and it is easy to cause the ink layer to peel off.
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