Understanding Ultraviolet LED Wavelength

UV LED Curing Wavelength Spectrum
UV wavelengths typically are measured in nanometers (nm). Nanometer, a unit of length, is equal to one billionth of a meter. UV light-emitting diodes (LEDs) have a narrow spectral output centered on a specific wavelength, +/- 15nm, with typical commercial UV LED lamps emitting at 365nm, 385nm, 395nm, or 405nm wavelengths. Read more »

Technical, Reliable & Beneficial: UV LED has Impressive Endurance, Brings Advantages to Package Printing

Sistemi di polimerizzazione
Ultraviolet (UV) curing is a photopolymerization process that uses energy to change a liquid to a solid. Upon absorption of the UV energy, the photoinitiators produce free radicals which initiate crosslinking with binders (monomers and oligomers) in a polymerization reaction to cure or solidify the ink, coating or adhesive. Read more »

LED Curing Technology for Coatings

LED curing solutions are utilized in the coatings industry because they offer highly reliable UV curing due to being a solid-state device. They provide deep through-cure and allow low surface temperatures that enable less expensive raw inputs. Read more »

SUNY-ESF/RadTech Webinar Series: At the Tipping Point? A Snapshot of UV LED Curing in North America

Thursday, March 31, 2016 from 2:00 PM to 2:30 PM (EDT) — With rapid advances in both chemistry and hardware, UV LEDs are fast becoming an alternative, or even the standard method for UV curing in certain markets. At the same time, interest in UV LEDs is higher than ever, with a record number of papers addressing UV LED technology scheduled for the upcoming Radtech 2016 conference in May. This 30-minute webinar will provide a brief "snapshot" of progress of UV LEDs for curing inks, coatings and adhesives. We will examine the state of UV LED curing in various print markets (digital, screen, flexo, offset), as well as in the spot cure and industrial adhesives market and for curing UV coatings. Read more »
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