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White Papers / Tech Papers

Enhancing Label Print Quality with UV Pinning

Released By Excelitas Technologies (OmniCure)

It is well known that the digital printing market has grown at the speed of light. While digital printing of narrow web labels may reduce costs and enhance efficiency, the prevalent use of labels with low or very low absorbance substrates often results in diminished print quality. The emergence of UV-curable inks presented opportunities to resolve this challenge, but wetting problems frequently caused dot gain, line spread, mottled solids, or incorrectly mixed colors. Working with a leading ink and pigment producer, Excelitas Technologies developed an ingenious solution that thickens the UV ink immediately after jetting to prevent spread before it reaches the UV lamp for full curing. The following white paper discusses the common challenges of wetting problems that were causing UV-curable inks to spread before full curing and an innovative technique used to overcome this challenge and achieve full curing of any commercial inkjet printers.

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