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Photoinitiators – the cure all for inks?

UV vs. UV-LED

One issue which could significantly affect the adoption rate of UV-LED’s is the Restriction of Hazardous Substances (RoHS 2) Directive in relation to the ongoing use of mercury halide lamps.  Introduced in January 2013, this legislation restricts the levels of use of a range of heavy metals in new electrical and electronic equipment.  It isn’t clear at present how this will specifically relate to mercury in UV lamps, so the industry is poised to discover the final outcome.