Uflex – First glitter printing gravure cylinders in India

Uflex claims for itself, to be the first Indian company to manufacture glitter printing gravure cylinders (Source: Uflex)

Uflex claims for itself, to be the first Indian company to manufacture glitter printing gravure cylinders on its direct laser engraving line.

Pigments of glitter inks are substantially bigger in size as compared to conventional gravure inks therefore rotogravure printing on substrates using glitter inks has always been a challenge for converters.

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Talking about the newly developed g cylinder PK Agarwal, joint president cylinders business at Uflex Limited said: “The customisation of cell geometry of the rotogravure cylinder on our direct laser engraving line is the real innovation here. Pigments of the glitter ink have a tendency to get stuck inside the pits/ cells of the cylinder (cell filling). When the printing surface is sandwiched between the impression roller and the gravure cylinder, the high solid contents of the glitter ink get transferred from recessed cells to the substrate with the help of capillary action and the tangential force of the roller.”

Explaining further about the process PK Agarwal said: “Glitter inks unlike other conventional gravure inks do not possess self-curing properties. Therefore to enable quick and effective curing of the glitter ink we developed a light emitting diode (LED) curing system. The high solid content of the glitter ink on the substrate imparts superior tactile effect along with the shimmer enhancing the shelf impact of the pack.” The specialty glitter ink has been manufactured for flexible substrates such as paper and heat sensitive films and can be cured using LED lamps applied in-line with gravure printing process using solvent or water-based ink system.

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