Ink & Ink Dispensers

Products verified by RIT for over-print varnishes

overprint varnishes (OPV) by the Rochester Institute of Technology (RIT) as part of the HP Overprint Varnish Performance Program. The company’s best-selling OPV products for


the digital narrow web label printing sector include a UV flexo gloss and matt varnish, both formulated with the high resistance properties required for use over digital inks that are suitable for overprinting on HP Indigo and other digital label printing presses. The verified products, IV044 gloss varnish and IV047 matt varnish, are already well established in

arrow web ink and varnish specialist, Pulse Roll Label Products, has received verification for two of its core UV flexo

the market and offer high adhesion, low shrinkage, high heat resistance, and chemical resistance. However, it is only recently that they have been tested and independently evaluated at the RIT under the HP OPV programme. Mikaela Harding, product manager, Pulse Roll

Label Products, says, “We are delighted that our market leading matt and gloss overprintable varnishes have been verified by a globally recognised programme for best performance in terms of peeling and adhesion, solvent resistance

New ink for oily applications


inx Printing Technologies has widened its range of specialist inks with the introduction of a new formula that meets the challenges of

coding onto oily surfaces. Linx Black oil-penetrating ink 1062 is able to print effectively through light layers of oil onto a wide range of materials

including plastics, metal, glass and waxy surfaces. Linx 1062 ink also provides good adhesion on oriented polypropylene (OPP) and other plastic films making it suitable for a variety of both industrial and food applications. Compatible with the full range of Linx 8,900

printers, Linx 1062 ink is an MEK-based ink with a fast drying time of one to two seconds, which is able to adhere to substances with an oily or greasy film to deliver reliable long-term code durability. It offers contrast and legibility on transparent and pale coloured materials and is able to resist a range of oils including engineering cutting fluid, petroleum and kerosene. Its heat- resistant properties also ensure good code legibility after autoclaving or cooking processes. Typical applications include light engineering,

automotive, aerospace, wax-coated PVC cables and all types of metal components, as well as canned foods and packaging film for flow wrap, pouches and bags in food sectors such as meat, bakery and confectionery. “Our new Linx Black oil-penetrating ink 1062

has identified and overcome the perennial challenge of coding onto oily surfaces,” says Charles Randon, senior product manager, Linx. “This latest addition to our range of inks

broadens the options available to our customers to ensure they can achieve consistently reliable and long-lasting codes, however challenging the application,” he concludes. 28 October 2017

and optical tests. These independent results prove exactly why these products are so popular with digital label printers around the world!” RIT’s HP Indigo Overprint Varnish Performance

Program enables manufacturers, suppliers and HP Indigo digital press owners to have both water-based and UV coatings evaluated. The OPV Performance procedure incorporates several tests in accordance with the stated protective uses for the coatings.

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