UV varnish mystery and application guide
UV varnish mystery and application guide
In the field of printing, UV varnish plays a vital role as a widely used transparent coating. It can give the surface of the printed matter bright, beautiful and round texture of the visual effect, the life of many packaging boxes on the bright pattern, mostly thanks to the use of UV gloss in the UV printing process.
When printing patterns, UV printers follow a specific process:
First, white ink is printed to lay the foundation for subsequent color presentation, and then color ink is printed to show rich colors. The printing of gloss oil is carried out synchronously after the completion of the color ink pattern, and a layer of gloss oil is evenly sprayed on its surface. This operation has two main purposes: one is to significantly improve the brightness of the pattern, making it more eye-catching; The second is to enhance the firmness of the pattern, and then effectively extend the shelf life of the printed matter.
However, there are many points to pay attention to when using UV varnish:
In terms of storage, the light oil should be placed in a 20-35 °C, well-ventilated and light-free environment, so as to ensure its stable quality. The printing environment is also critical, if the environment is poor, the dust point accidentally falls on the glossy oil, it will form raised particles, seriously affecting the quality of the print. In addition, the UV varnish produced by different manufacturers should not be mixed, otherwise it may cause a series of unpredictable problems. At the same time, if there is wet, unclean or moisture on the surface of the printing material, it will also lead to bubbles in the gloss oil, damaging the printing effect.
For those who plan to purchase a UV printer and need to use UV varnish in the future, they need to be extra careful when choosing a model.
There are two main designs of UV flatbed printer polish configuration. One is to reserve two channels for printing gloss with the help of white ink nozzle; The other is to be equipped with a separate nozzle, white ink, color ink, gloss oil three nozzle in a cross arrangement. However, the latter design has obvious disadvantages, once the oil channel is blocked, the entire white ink nozzle needs to be replaced, which will greatly increase the loss cost. In contrast, the machine equipped with a separate oil nozzle, although the price is slightly higher, but even if the oil nozzle is blocked, the white ink nozzle and the color ink nozzle can still work normally, and does not affect the overall printing task. Therefore, considering long-term use and cost factors, it is recommended to preferentially select models with separate oil sprinklers when purchasing machines.
Through the in-depth understanding of UV varnish, both printing practitioners and relevant procurement personnel can better use it in actual work to improve the quality of printed matter and production efficiency.
In the field of printing, UV varnish plays a vital role as a widely used transparent coating. It can give the surface of the printed matter bright, beautiful and round texture of the visual effect, the life of many packaging boxes on the bright pattern, mostly thanks to the use of UV gloss in the UV printing process.
When printing patterns, UV printers follow a specific process:
First, white ink is printed to lay the foundation for subsequent color presentation, and then color ink is printed to show rich colors. The printing of gloss oil is carried out synchronously after the completion of the color ink pattern, and a layer of gloss oil is evenly sprayed on its surface. This operation has two main purposes: one is to significantly improve the brightness of the pattern, making it more eye-catching; The second is to enhance the firmness of the pattern, and then effectively extend the shelf life of the printed matter.
However, there are many points to pay attention to when using UV varnish:
In terms of storage, the light oil should be placed in a 20-35 °C, well-ventilated and light-free environment, so as to ensure its stable quality. The printing environment is also critical, if the environment is poor, the dust point accidentally falls on the glossy oil, it will form raised particles, seriously affecting the quality of the print. In addition, the UV varnish produced by different manufacturers should not be mixed, otherwise it may cause a series of unpredictable problems. At the same time, if there is wet, unclean or moisture on the surface of the printing material, it will also lead to bubbles in the gloss oil, damaging the printing effect.
For those who plan to purchase a UV printer and need to use UV varnish in the future, they need to be extra careful when choosing a model.
There are two main designs of UV flatbed printer polish configuration. One is to reserve two channels for printing gloss with the help of white ink nozzle; The other is to be equipped with a separate nozzle, white ink, color ink, gloss oil three nozzle in a cross arrangement. However, the latter design has obvious disadvantages, once the oil channel is blocked, the entire white ink nozzle needs to be replaced, which will greatly increase the loss cost. In contrast, the machine equipped with a separate oil nozzle, although the price is slightly higher, but even if the oil nozzle is blocked, the white ink nozzle and the color ink nozzle can still work normally, and does not affect the overall printing task. Therefore, considering long-term use and cost factors, it is recommended to preferentially select models with separate oil sprinklers when purchasing machines.
Through the in-depth understanding of UV varnish, both printing practitioners and relevant procurement personnel can better use it in actual work to improve the quality of printed matter and production efficiency.
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