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Joined: Nov. 2021
||Posted: Aug. 02 2022,09:05
Influence of UV Varnish Pattern Effect on Print Quality
This article aims to define attributes of image quality that affect the quality of textured UV varnish applied as a pattern effect over offset prints. The most common UV varnishing problems that might influence attributes of print quality are reticulation of the varnish, poor adhesion, spreading of the varnish and shade changes. These problems mostly arise from inability to control the coating, especially if applied on differently generated print surfaces. Benefits of UV coatings in terms of image quality improvements might be greater opacity, color stability, deeper and more vibrant colors, sharper graphics, higher gloss and uniform surface to give labels a more vibrant look. Image quality variation assessment often needs to be carried out since an improvement made to one attribute can result in a deficiency to another attribute or attributes. In order to determine correlations between these attributes, a combination of objective and subjective image quality assessments has been applied.Get more news about uv reverse varnish,you can vist our website!
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There is color box uv varnish, book UV varnish, tobacco package UV varnish, white board UV varnish, gold and silver UV varnish
according to application. According to characters, there is normal UV varnish, excellent scratch resistant UV varnish, great
scoring cracked resistance UV varnish, primer-free UV varnish, hot stamping UV varnish, matte UV varnish, skid resistance UV
varnish, special white UV varnish, low odor UV varnish and so on. ODM/ OEM is welcomed.
Operation method: Inline UV coating, offline UV coating, spot UV coating.
Dilution: it can be used directly, if the viscosity is high, methylbenzene, xylene, absolute alcohol can be added, around 10% -15%.
In order to make sure good performance, our UV primer is recommended to match with UV varnish.
1.Varnishing machine should keep away from sunlight, otherwise UV varnish will dry on the coating roller under ultraviolet
radiation of sunlight.
2.UV lamp should be changed regularly, guarantee the varnish drying completely, wash equipment in time, check scraper and steel wheels.
3.It have certain stimulation. If skin touch UV varnish, use soap to wash immediately, otherwise skin will swelling and blistering allergic phenomenon
4. Use alcohol or isopropanol to wash equipment.
Storage environment: store in dry and ventilation cool place, avoid exposing high-heat and sunlight. Storage temperature is 5-30°C.