Ultraviolet a: 320-400 nm; Ultraviolet b: 290-320 nm; Ultraviolet c: 200-290 nm; Ultraviolet: 390 nm or more.
UV printing is a printing process that uses ultraviolet rays to dry and cure ink. It is necessary to use ink containing photosensitizer in conjunction with UV curing lamp. The application of UV printing is one of the most important contents in the printing industry.
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Advantages of UV printing:
The key commercial advantage of UV technology is its flexibility in application. It can obtain a variety of product functions and find special applications in various printing materials and surface finishing. This provides creative opportunities for printing buyers to highlight the differences of their products and increase the functional characteristics of their products. UV printing can provide value-added services for existing customers and attract new business.
In some cases, compared with other processes, UV printing and glazing reduce the overall production cost; On the other hand, even when the production cost of ultraviolet light increases, the higher sales price of ultraviolet light products also improves the return on investment.
Baidu encyclopedia -UV printing