Ways of varnish printing?
Time:2024-03-08
Views:1184
The last issue to share with you the difference between full varnish and partial varnish, in fact, according to different materials and coating methods, varnish there are a variety of different ways to deal with these different ways of varnishing each of its characteristics and scope of application, let us understand together:
1. Varnish
Specialized resins and turpentine blend of varnish liquid, coated in the finished prints, also known as on the Van Ness (Varnish). Varnish oil can be used in the printing press for comprehensive or partial coating, is the cheapest one in the varnish processing. Because of its poor abrasion resistance, low gloss, it is suitable for color pages within the text of the local varnish.
2. PVA varnish
PVA varnish refers to the use of polyvinyl alcohol (PVA) coating materials for varnishing process. PVA is a polymer, has a good film, transparency and gloss, so it is widely used in the printing of varnish processing. Its main feature is high gloss, can achieve mirror effect, at the same time has good wear resistance, water resistance, oil resistance and other properties. In addition, PVA varnish process is simple, uniform coating, can be applied to a variety of printed materials.
3.UV varnish
That is, ultraviolet varnish, is a special UV special coating agent, precision uniform coating on the printed paper surface, the ultraviolet irradiation, drying and hardening at very high speed. UV varnish by the print has a high wear resistance and bright effect, and has the function of anti-ultraviolet light, can make the ink color is not easy to fade the advantages of a wide range of applications.
4.Glossy PP varnish
Glossy PP gelatinized film is hot-pressed and laminated onto the printed materials. It has excellent moisture-proof, stain-resistant, wear-resistant characteristics, and glass luster effect, which is a higher level of varnish. In addition to the application of delicate prints, it is also suitable for the use of window-type packaging boxes.
5. Matte PP varnish
Special matte embossed PP gelatinized film is hot-pressed and laminated onto the printed materials. In addition to the advantages of glossy PP varnish, its unique matte, non-reflective effect and soft touch is incomparable to other varnishing methods. But the price is much more expensive than glossy PP varnish.
6.PVC varnish
With a thickness of about 0.02mm PVC film, hot-pressing mounted on the printed materials and become. With high transparency, moisture resistance, stain resistance, wear-resistant excellent qualities, the prints by its varnish treatment is more bright and outstanding, the most commonly used varnish in the 70‘s, due to the high cost, has been gradually replaced by the PP varnish.
7.PVC pad varnish
Using a thickness of about 0.1mm rigid PVC sheet for the laminating material, usually to both sides of the paste and become. Has a hardness quite, waterproof and wear-resistant degree of special features, the finished surface was mirror gloss, is the highest cost of a varnish. Applicable to pads, cards, cards, table mats, in the tag, applicable playing cards, game cards, etc..
8. Local three-dimensional varnish
Is a special resin, with a printing machine in the prints for local printing, because the resin in the drying of three-dimensional visual and tactile, so called local three-dimensional varnish. Nowadays, many prints are first varnished with matte PP, and then localized three-dimensional varnish is applied on it, which has excellent effect.
9. Playing card varnish
The use of special adhesive coating varnish on printed materials, with waterproof, anti-static, smooth surface, gloss effect, high stiffness of the qualities and functions. In different ways of drying and surface treatment, poker varnish can be divided into two kinds: glossy and granular. Commonly used in playing cards, PPC boards, PVC boards or PP and other materials, such as varnish the use of protective shell.
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