Uflex is the first Indian company to manufacture a gravure cylinder for glitter printing on its state-of-the-art straight 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 e'er been a claiming for convertors.

Talking virtually the new glitter print gravure cylinders PK Agarwal, joint president Cylinders Business organization at Uflex Limited says, "Information technology is extremely difficult for a cylinder with electro-mechanically engraved conventional gravure cells to pick upwards pigments of the glitter ink and transfer them on to the substrate. Therefore in-case of this specialized cylinder, we adult bigger sized customized pits (cells) that trap the high solid content of the glitter ink. The customization of cell geometry of the rotogravure cylinder on our directly light amplification by stimulated emission of radiation engraving line is the real innovation hither. Pigments of the glitter ink accept a trend to go stuck inside the pits (cells) of the cylinder which is know as cell filling. When the printing surface is sandwiched between the impression roller and the gravure cylinder, the high solid contents of the glitter ink go transferred from recessed cells to the substrate with the help of capillary activity and the tangential force of the roller."

Agarwal explains that glitter inks different other conventional gravure inks do non possess self-curing properties. Therefore to enable their quick and constructive curing, Uflex developed an LED curing system for its gravure proofing and printing presses.  He adds, "The high solid content of the glitter ink on the press surface renders a superior tactile result along with the glittering shimmer which enhances the shelf impact of the pack and get customer attention. It took us about one month to develop the glitter impress rotogravure cylinder while our chemicals business simultaneously adult the glitter ink. There is neat need for this type of flexible packaging printing for high impulse buying consumer goods particularly in the nutrient and confectionery segment."

The LED in-line cured gravure glitter ink for solvent or h2o based ink systems has been manufactured for flexible substrates similar newspaper and estrus sensitive films. Variants such equally metal and polymeric glitter are available in several colors while conventional metallic gravure inks are only bachelor for gold, silver and copper effects.

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