Unlike most inks produced for other printing processes, gravure inks comprise a pigment, a binder to keep the pigment uniformly dispersed and to bind the pigment to the surface of the substrate, and a solvent to dissolve the binder and eventually evaporate away in the drying phase. A number of other types of gravure presses are currently in use. Vulcan. Our company is a trusted Manufacturer, and Supplier of Rotogravure Printing Ink all over India. in width. Flexo and Gravure inks . stream Copper-oxide reduction inks are also available for ink-jet, screen, flexographic, or gravure application. Many permanent writing inks contain iron sulfate and gallic and tannic acids as well as dyes. ����=��q� ����-a���v\X���X���������W. Properties of the prints Printing … The printing mechanism in a rotogravure press consists of a gravure cylinder and a smaller, rubber clad impression cylinder. Other types of gravure presses in commercial use today are sheet-fed, intaglio plate, and offset gravure. Printed electronics is a set of printing methods used to create electrical devices on various substrates. Composition of inks for printing on plastic films, change according to the printing method used. Water based inks, especially used for packaging and product gravure, require a higher temperature and longer drier exposure time in order to drive off the water and lower vapor pressure constituents. Frequent ink changes and multiple spot colours really drive up the cost of packaging printing. It uses a depressed or sunken surface for the image. In order to dry the ink and drive off the solvents or water, which essentially replaces most of the solvent, the paper is run through Gas fired or electric fired driers. Gravure inks are fluid inks with a very low viscosity that allows them to be drawn into the engraved cells in the cylinder then transferred onto the substrate. Prints retain residual odour. NITRACRYL® Gravure printing inks are the surface printing inks with low viscosity and oil resistant properties. Process: Gravure. Currently, the dominant gravure printing process, referred to as rotogravure, employs web presses equipped with a cylindrical plates (image carrier). s, this ink has been printed using a direct gravure printing system to produce patterns with a resolution of approximately 30 µm, as shown in Figure 3. Due to excellent printing properties the printing process is not limited by the speed of the press (high speed presses allowed). Gravure, still also known as intaglio printing, makes use of the ability of ink to adhere to a slight scratch or depression on a polished metal plate. The bad fineness and big size of solid particle will case clogging. FLYER. Gravure inks manufacturer:Gravure ink is multi purpose ink system,suitable for reverse as well as surface Gravure printing,Mutli-substrate ink suitable for BOPP, PET, PE , BON & PT cellophane, Paper and SP-PVC.That reduce inventories of fresh as well as press return inks.Robust ink system with flexible type of solvent system . The industry has used water-based inks successfully on medium-weight papers and on nonabsorbent substrates such as plastics, aluminum, and laminates (Tyszka 1993). These images are then transferred from the paper to a fabric (usually polyester) through a combination of heat and pressure. The unetched areas of the cylinder represent the non-image or unprinted areas. While the focus in this study is on UV-based materials, waterborne and solvent-based inks However, in addition to printing stations for the four basic colors, packaging gravure presses may employ printing stations for the application of metallic inks and varnishes as well as laminating stations designed to apply foils to the paper substrate prior to printing. The industry has found that in publication gravure where the substrate is always paper stock, water-based inks have not been capable of printing commercially acceptable quality productions runs of 2,000 to 3,000 feet per minute. Formulated for gravure printing of treated Polypropylene (PP) or Polyethylene (LDPE/HDPE) film. The printed AgNW patterns on the flexible substrate show excellent flexibility under repeated bending. Rotogravure printing is the other main technology used for flexible packaging applications. Significant increase in demand for gravure printing ink from packaging industry. Offset gravure presses are used for printing substrates with irregular surfaces or on films and plastics. The compatibility and wettability between the inks and the primers were evaluated by infrared spectroscopy and surface energy measurements. The solvent laden steam is then condensed and the water and solvent separate by gravity. Additionally, the gravure cylinder has a long service life and will yield a very large number of impressions without degradation. Superior transfer properties, good blocking, and high gloss. A rotogravure or flexographic printing ink has been developed which reduces wear on printing equipment.95 Solvents used in these inks include aliphatic, aromatic, and naphthenic hydrocarbons, alcohols, glycol esters, ketones, esters, and water. The shade is somewhat greener than the European Scale for Process printing. gravure printing. Gravure Inks, Chemicals and Supplies Heat- and fade-resistant, versatile gravure surface print inks are designed for a wide array of print applications, including laminations, coated boards and plastics.