The printing of color box packaging generally requires special processing techniques, such as gloss glue, matte glue, gloss oil, etc., which are generally based on the following elements:
1. Maintain the color of printed materials. The surface paper printed on color box packaging is printed with ink, which can easily cause the printed materials to fade under the effect of ultraviolet radiation;
2. Waterproof effect, as the packaging of the color box is made of paper products, in order to avoid rotting when exposed to water; By enhancing the brightness of the product and undergoing special exterior treatment, the product has a soft and rough texture, which is more attractive to consumers.
Surface treatment process for color box packaging:
Film covering
The advantages of laminating are waterproofing, storage resistance, and aesthetics. Film laminating adhesive refers to a type of adhesive that combines BOPP film onto paper. Currently, there are two methods for touching printing and packaging products in China: water-based film lamination and oil-based film lamination. Currently, water-based film lamination is the main method, which is based on the concept of environmental protection, and its effect is slightly inferior to oil-based film lamination.
Packaging printed materials are also divided into two types of lamination due to information:
1. Light film (bright film), the bright film itself is relatively bright, and the surface of the color box packaging box is shiny after being coated with bright film.
2. Matte film, which has a foggy appearance; After lamination, the surface is matte and matte like.
Hot stamping
The current hot stamping method for color box packaging boxes is electroplated aluminum hot stamping foil, which mainly uses heating and pressure to transfer the text of the document box to the surface of the printed packaging paper being hot stamped. The colors include gold, silver, green, blue, laser, etc., all of which are called hot stamping.
The characteristics of hot stamping are clear and beautiful drawings, dazzling colors, and wear resistance. In cigarette packaging printing, the use of hot stamping technology accounts for more than 85%, and it is also widely used in commercial packaging production. It can serve as the finishing touch, outstanding theme, and display nobility, especially for places that require special excellence such as trademarks, logos, and corporate names.
Striking concavity and convexity
Striking concavity and convexity is an important process in packaging post-press processing, which is a pressing method that does not require printing ink. When embossing, select a set of concave and convex templates corresponding to the yin and yang of the graphics and text, place the substrate between them, and apply greater pressure to press out the relief shaped concave and convex graphics and text. This method is often used for post-press processing of printed materials and color box packaging, such as for the decoration of packaging boxes, trademarks, cigarette packs, greeting cards, bottle labels, etc., to achieve a vivid and beautiful three-dimensional sense. The proper use of embossing technology can increase the layering of printed images and have a finishing effect on packaging products. This technology has a low cost in post-press surface treatment.
UV matte
UV frosting is a post-press process that involves UV drying and curing of ink. It requires a UV ink containing photosensitizers to be combined with a UV curing lamp. The UV process transfers pictures and text to the surface of the printed packaging paper that has been UV dried, making it bright and special. It is especially used for printing parts such as trade marks, logos, and company names.
