Adhesive film printing technology and processing methods (Figure) - film stickers, printing - Printing Industry
Adhesive film printing technology and processing methods (Figure) - film stickers
, printing - Printing Industry
Label label, compared with the traditional, no gluing, no glue, no dampened with water, no pollution, saving labeling time used in various occasions easy and fast. Different fabrics, adhesives and various types of bottom paper label, paper label can be applied in the general competence of the material can not, can say: is a versatile self-adhesive labels. Label printing, compared with the traditional print has a very different, usually on the label sticker printing machine interaction process, many processes at once, such as fax printing, die cutting, waste emission, cut sheets or complex volume and so on. The end of the volume of raw materials for the entire input, the other end of the output of finished products. Leaflets or rolls into finished labels, tags can be applied directly to finished goods. Therefore, the sticker on the more complex printing process, on the device performance and print quality requirements for staff are also higher.
Film adhesive materials are more and more into people's daily lives (HC printing network with map)
Compared with the normal paper, there are many advantages of thin film materials, film material printing is the future Label Printing Direction. We briefly explain the structure of thin film properties, printability and finishing process:
1, thin film materials of the printing process Basic gravure printing methods
: divided into gravure printing and gravure ink solvent ink water-based printing; Offset: UV Offset printing ink Printing; letterpress: divided into ordinary resin ink printing and UV letterpress ink; Flexo: divided into water-based ink, solvent ink and UV ink printing; screen printing: is divided into UV printing ink and solvent ink printing; combination printing : divided into letterpress + silkscreen, letterpress + flexo, flexo + screen printing, offset + letterpress printing of four. Next, use the more detailed description of several printing methods:
A, ordinary printing ink resin This is the most commonly used method, because of drying problems, there are two drying methods: cut sheet, drying shelves. This method is drying time is long, covers an area of large, easy to rub dirty. Film. Ink will not dry wrapped in film, the membranes should be taken to avoid publishing on, control laminating failure.
B, UV letterpress ink This method print quality, high efficiency, is the most development in China, the most suitable conditions of the printing process. As the domestic letterpress equipment is generally not with UV devices, thin film printing are limited, so equipment, updates, and upgrading is a necessary condition for printing film.
C, solvent flexo ink This is the traditional printing methods, good quality. Because of low surface tension solvent ink, the surface tension of the film as strictly required Unlike other inks, so ink fastness strong, relatively simple process. But the influence of solvents Environmental protection And harmful, is about to dispose of the printing method.
D, water-based flexo ink This is the world's most advanced printing methods, low cost, good quality, pollution-free. But the process demanding the film surface tension must be above 40 dyne, PH value of the ink, viscosity, there are strict requirements. The process is to develop an internal process, but limited by the device development is very slow.
E, UV flexo ink Features with UV letterpress, high cost, but the surface tension of the film relatively stringent requirements. Manufacturers generally use more water-based ink printing, UV coating means to reduce costs, increase print results.
F, UV screen printing ink This new technology can also be roll printed leaflets, high cost and quality. Leaflets printed without hanging shelves, high-speed reel can be printed.
G, solvent printing ink This is the traditional process, general pamphlets printed by hand, reel printing machines with a linkage. 95% of the leaflet printing, effective and low cost. But the solvent Screen printing inks On human health, pollute the environment. H, UV offset ink. As the plastic resin used ink, it can not be ordinary offset printing film. Some manufacturers use when in the printing PVC overlay leaflets, was added to dry the final laminating way. However, ink is not easy drying, rub dirty easily, so wasteful, productivity is low. The use of UV offset all of the above problems to avoid, and can print high level version of film products.
H, gravure Gravure printing little adhesive, but the print quality is the best of all printing methods, is a potential printing method. Finishing at home as long as the solution, the existing equipment of high quality fully printable stickers.
I, combination printing
Also called composite printing, is the current world Packaging Printing An industry's most advanced printing. Depending on the pattern design, in the same pattern printed on several ways to achieve the best visual effect. Such devices are common abroad, China has two types: Japan LINTEC the SR-520B, SHIKY's F-330, former letterpress + silkscreen, which was offset + letterpress.
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Adhesive film printing technology and processing methods (Figure) - film stickers, printing - Printing Industry Anaheim