Concerns over regulatory efforts with regards to mercury vapor UV lamps may lead to more opportunities for UV LED curing.
Sean Milmo, European Editor10.01.15
The days of traditional mercury vapor UV lamps, which were first introduced around 130 years ago, may be numbered in Europe because of the European Union’s health and safety legislation.
However, UV LED technologies have grown and been improving so rapidly that they appear capable of taking over as a viable, safer alternative.
After being a niche application only a few years ago, UV LED could account for as much as 30% of the market by next year, according to Yole Developpement, a consultancy in Lyons, France. This is despite complaints from printers about the inadequacies of LED equipment and inks – at least in printing processes like flexography and web offset.
The main problem has been the availability of a restricted range of photoinitiators and LED being limited to applications within a narrow range of UV wavelengths.
LED vs. Mercury Vapor
While LED technologies have become far more popular in recent years, the use of mercury vapor lamps has also been gr
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