UV flexographic metallic inks are somewhere in the middle. 3 cup). It is undeniable that custom packaging bags occupy a very important position in many production-o... ADD: No. Especially in high-speed rotogravure printing, whether the ink printing viscosity is properly controlled is directly related to most of the quality problems such as the handling of the pigment, the dirty version, the gloss of the printed product, the solidity of the pigment, and the static electricity, which affects the printing. Bleeding or smearing occurs when the color spreads into your coating or adhesive. The customized temperature and viscosity control solutions developed by Saint Clair Systems and Norcross Viscosity Controls can help you save time and resources, and trim waste in your corrugated printing process. As the viscosity becomes smaller, electrostatic phenomena such as whiskers, streaks, marginal crowding, flying ink, poor handling, and extremely irregular water stains will follow. Under the normal environmental humidity, the ink printing viscosity is above 16S (Zahn No. Considering the ink viscosity and printing speed, it is therefore logical that the best metallic surfaces are achieved with UV screen printing (low-viscosity inks) and the worst are achieved with UV offset/UV letterpress printing. As a gravure printer, your clients expect you to deliver high-quality finished products with sharp, fine images. Imperfection in stock 2. Drovin™ B-60. Within this range, as the viscosity increases, the transfer amount is increased. 2019 Top North American Ink Companies. Saint Clair Systems and Norcross Viscosity Controls have extensive experience in developing customized solutions that can keep your gravure press running smoothly. The ink printing viscosity is below 16S (Zahn No. Inadequate mixing SOLUTION 1. Major Products: Proprietary security inks for intaglio, offset, screen, flexo and gravure security printing applications. The slightest changes in ink viscosity or temperature can lead to color variations and other imperfections like smearing or striping. Viscosity, pH and temperature control solutions from Saint Clair Systems provide the ultimate in materials management and cost efficiency while maintaining the highest production standards. Knowing the density and viscosity of ink is of great importance for ink producers because these physical properties provide important information on the quality and utilizability of the raw material and the final product. Published by Drovin™ B-30 is a low viscosity grade of Poly Vinyl Butyral Resin. Gets into the pigment and all that. While some may not view this as the most dire of issues, it still affects your quality and can lead to waste and possibly rejections. In plastic gravure printing, how to control ink printing viscosity is a very important problem. 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 percent solids of fluid is the characteristic of the ink that gives it colour. The factors affecting the viscosity are closely related to the temperature, the concentration of the component particles, the particle size, etc., and have little to do with humidity and pressure. Cost: Printing with incorrect viscosity harms more than just quality. Wholesale Hot Sealed Candy Opp Packing Bag, No. Stop Scuffing in Its Tracks. The operator is responsible for changing over … Poly Gravure Printing Ink Multi Gloss Inks are normal Polyamide base ink used for various surfaces.. 4 Jinzhuyuan Street, Changlong, Huangjiang Town, Dongguan City. The printing resolution of gravure printing is mainly dependent on ink properties (e.g. Scuffs or scratches in the ink are likely caused by the ink itself, the press … Adopted by many OEM’s as their number one choice, INKSPEC’s Viscosity Control System is the most reliable in the market. Ink systems, viscosity, surface properties of substrate material and dot structures on the gravure cylinder are the main factors that determine the print quality. Ltd. is established in the year 1977 specializing in manufacturing of Rotogravure Printing Inks - Gravure Printing Ink Manufacturers in UAE. 870 Being alcohol-rich Ink Experts-Lam inks may be used with most normal rubber rollers and photopolymer plates. Viscosity of the ink in the ink transfer process is also very important in the production of thin-film composite color printing ink viscosity control 13-25S (No. Drovin™ B-20. surface tension and viscosity) 44 in addition to trench resolution 24. ... and lactol spirits. 3 cup), and the static phenomenon generally does not occur. Solvent evaporation increases the pigment loading of the ink, resulting in poor print quality and excess ink consumption. Temp. Poor viscosity management drives up usage of expensive pigments and … Depending on your industry, these products could include food packaging, wallpaper, paneling, magazines, wrapping paper, furniture laminates, and other goods. Access-Lam is a range of nitrocellulose-based inks specially formulated for the Flexographic and Gravure reverse printing of Corona treated co-extruded polypropylene films for subsequent adhesive lamination for the snack food market. Controlling ink viscosity is the key to colour consistency because that is the factor subjected to the highest variability. Ink viscosity is an indicator to the percent solids of the fluid. Packaging Gravure Printing Problems and their Solutions On the following pages, you will find the information on the most ... Holes in the printed complete film viscosity, use active solvents area 2. When the operator was not able to pay as much attention, significantly more material was applied. Adjust blade angle 3. 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. 4 Jinzhuyuan Street, Changlong, Huangjiang Town, Dongguan City. The viscosity of the ink at the point of use is not more than 5 poises and is preferably between 0.5 and 1.0 poise. tives of the DfE Gravure Partnership by: • Developing information on the effects of ink Two colors of nitrocellulose (Type C) ink common to temperature on solvent consumption and print packaging printers were used in 3-hour production runs on quality. Printing inks. The operator is the leader of the press and will have a plan for each crew member during the run or changeover of the press. Gravure Ink Viscosity Viscosity Control Features that Converters are Now Demanding (Page 3) Rotogravure Printing Application Using VISCOpro Viscometers In this rotogravure application the converter’s Bobst Lemantic press utilizes removable ink carts. GRAVURE TROUBLESHOOTING www.VISCOSITY.COm saint clair systems norcross Color Variation Problem: Inconsistent color reproduction CAUSE 1. The term "gravure printing ink" as used herein excludes compositions that are applied by a rotogravure apparatus to produce functional coatings, such as a continuous adhesive coating, or carbon paper coating. gravure ink could not meet the requirements of printability in adherence, proofing density and dryness, the application of water-based ink on plastic had not been promoted. The low viscosity and quick dry time needed for gravure inks can be affected by something as simple as a temperature change from morning to afternoon. Attack and increase. In the gravure printing process, it's very highly viscous ink being used. 8000 Research Way Springfield, VA 22153 Phone: (703) 455-8050 Fax: (703) 450-4518 Inks with proper viscosity and good dispersivity were prepared by changing pigment/binder ratio. Fast Sincere Toyo Ink Pte. Operating your gravure printing process without reliable viscosity monitoring and control can lead to a number of costly errors. Key Personnel: Jim Bonhivert, CEO and president; Tom Jay, VP of sales and marketing; Tom Classick, technical director. There have been recent studies on gravure printing of AgNWs as transparent conductive films 25, 26, However, the best reported resolution was limited to 230 µm 25. This polyamide based ink is highly suitable for printing on various films as well as for general purpose, shopping bags along with twist wrappers. Lack of viscosity measuring or control 2. With its Viscosity Control Process, INKSPEC has increased the overall press productivity and colour consistency of thousands of printing and coating stations around the world. Printing inks. 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. Operate 55" Bobst, Zerand, and Cerutti gravure printing presses (roll fed, in-line platen/flat bed die cutting). Drovin™ B-30. a 42”, 4-color gravure press at 300 ft/min. The formulation of plastic wate r-based gravure ink sample was designed. 3, the ink viscosity. Drovin™ B-20 is a low viscosity grade of polyvinyl butyral resin. A total 5 layers of R2R gravure printing and 4 layers of R2R coating using 8 different electronic inks (Figure 1a) are needed to complete the tag to demonstrate the basic working concept of the smart packaging: wireless power supply, sensor and signage. Whatever your printing specialty may be, there is a good chance that your printing process is susceptible to variations and substandard finishes due to inadequate viscosity and temperature control. ... used in the inks 7. With our customized viscosity control solutions, your gravure printing operation can enjoy the following benefits: More consistent product quality due to automatic control of inks and solvents; Maintained color; Increased ink mileage; Solvent control; Less environmental impact, with less solvent released into the atmosphere; Decreased waste Insufficient heat applied 7. Custom Solutions for Better Printing Results. Inconsistent set up and run procedures 4. PVB resins for Flexo & Gravure Printing Inks. The viscosity of the solvent-based gravure printing machine ink is too high, causing scratches, biting, paste, and printing problems such as “orange peel”. Number of Employees: Approximately 140. Type C inks are generally ester or ketone inks. Temperature dependence of ink viscosity One of the most important uses of viscosity measurement is to determine when and by how much ink must be diluted in order to compensate for loss of solvent during the printing process. hbspt.cta._relativeUrls=true;hbspt.cta.load(219243, '148a2fa2-dd52-4660-86ad-d71d7833315c', {}); Free Download for Gravure Troubleshooting Guide, Saint Clair Systems | (586) 336.0700 | scs@viscosity.com | 12427 31 Mile Road, Washington, MI 48095 | Copyright © 2017 Saint Clair Systems All rights reserved, Less environmental impact, with less solvent released into the atmosphere. It is intended primarily for use on paper and paperboard substrates. Sign up with your email to get updates fresh updates about our events. Rotogravure printing ink is thinned with toluene for faster evaporates, drying and setting to substrate. Wrong ink for the stock 3. Viscosity Tables – Measurement data. Mixing incompatible or old inks 5. Ink, solvent and or varnish flow inconsistent 3. Rovene 6106 is a low viscosity but high solids letdown emulsion for paper and paper board substrates. Viscosity control can help alleviate the frequency of some of the following miscues: With our customized viscosity control solutions, your gravure printing operation can enjoy the following benefits: Learn to identify the causes and provide solutions to problems experienced by printers every day. If you aren’t able to maintain the proper viscosity of your ink, it may not dry before reaching the next station on your press, leading to issues like smearing or smudging. Rovene® 6101; 47.0 - 50.0; 500 - 1800 +104; Rovene 6101 is a non-film forming, high gloss extending vehicle for flexographic and gravure inks and overprint varnishes. https://www.flexiblepackagefactory.com/best-viscosity-ink-gravure-printing Gravure Ink Viscosity Viscosity Control Features That Converters are Now Demanding (Page 2) When controlling manually, the press operator gave himself a margin for error, as shown by consistently running the viscosity higher than necessary. Ink black. 3 Zahn cup). Know the variables in your painting process to ensurethat perfect finish. [°C] Dyn. Jul 19,2019. … PVB resins for Flexo & gravure printing presses ( roll fed, in-line platen/flat bed die cutting.... Printing process without reliable viscosity monitoring and control can lead to color variations and other imperfections smearing. Viscosity monitoring and control can lead to color variations and other imperfections like smearing or.... 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