In daily life, you can often see the artistic words rolled in gold, or the beautification of brochures, or the gold points for works of art. This process, called bronzing, makes colors jump out of "red, orange, yellow, green, The world of "green, blue and purple" adds a touch of metallic luster.
With the popularity of the packaging market, more packaging designs are working on exquisiteness. In order to make the promotional materials achieve a new and innovative effect, it will also use some eye-catching colors appropriately. Fu? Delin Company specially printed a calendar for the Year of the Dragon. The design of the desk calendar is exquisite and delicate. A series of gold-plated letters show the exquisiteness of the desk calendar, which makes people want to own it after reading it. Zi was remembered, and the little desk calendar became a good promotional material.
Such cases can be seen everywhere, and it also shows the important position of the bronzing process in the printing and packaging market.
According to the summary of the hot stamping industry, hot stamping has: clear and beautiful patterns, bright colors, wear resistance and weather resistance. On the printed cigarette labels, the application of bronzing technology accounts for more than 85%. And bronzing in graphic design can play a finishing touch and highlight the design theme, especially for trademarks and registered names, the effect is more remarkable.
Hot stamping has a wide market, and its technology is further subdivided during the development process. Hot stamping, cold stamping, holographic stamping, etc. have their own specific process processes. In the hot stamping market of printed matter in China, hot stamping has always dominated. However, in recent years, cold stamping technology has gradually developed with its fine hot stamping effect, especially on IPEX2010, offset printing The line cold stamping unit was officially launched, which triggered a new round of technical attention for cold stamping.
At present, cold stamping technology has become a strong competitor of hot stamping technology, and cold stamping technology is expanding from the narrow-width flexographic printing field to other printing processes, such as wide-format flexographic printing, relief printing, web offset printing and single Sheet offset printing, etc. For example, at Drupa2004, the Roland700 sheet-fed offset press equipped with the new PrindorInLine cold stamping device from Manroland was exhibited. At this year's drupa show, the Swiss company Gietz showed their company's latest hot stamping technology, allowing visitors to feel the new cold stamping process.
The key to the bronzing process is: UV adhesive; anodized aluminum gold foil. The anodized aluminum used in cold foiling is a kind of special anodized aluminum. The back is not coated with adhesive. The adhesive is directly applied to the position where decoration is needed during printing. During transfer, the anodized aluminum is in contact with the adhesive under the action of the adhesive , Anodized aluminum adheres to the surface of the printed matter.
This kind of gold foil material develops with the development of hot stamping. At present, the world's major vacuum evaporation competitors include the world's largest manufacturer Kurz of Germany, ITW Group and CRL of the United States, APL of the United Kingdom, NaKai and Oike of Japan, and Kolon of South Korea. The domestic vacuum evaporation industry began in 1968. Toyo Vacuum Gold Plating was provided by Japan ’s Toyo Vacuum Gold Plating Technology and invested 49%. Toyo Vacuum Gold Plating was established in Minxiong Township, Chiayi County. Since its development, there have been more than 10 companies such as Donghe Vacuum Gold Plating and Agricultural Treasure Enterprises. Established earlier, Taiwan Vacuum Coating, Mingsong Vacuum Gold Plating, Dairy, etc. were set up at similar times, and the domestic output value has grown steadily every year. In recent years, it has reached 4 billion NTD. The market development has gradually been exported.
The rapid development of cold stamping technology is because it has the advantages of fast speed, low cost, low pollution, wide range of applicable materials, and short production cycle. The maximum speed of cold stamping can reach 50-60 meters per minute, and the general speed of circular stamping is only 20-30 meters per minute; cold stamping makes ordinary flexo replace expensive metal plate cylinders, and the cost is only one-tenth of ordinary hot stamping; Cold blanching does not make metal rollers, abandoning the chemical corrosion process and reducing pollution; in addition, cold blanching is easier to make, the production time is shorter, and the production cycle can be shortened.
For customers, cold stamping technology has a high cost performance, can help customers increase the added value of products, and is very cost-effective. In addition, since the cold hot stamping technology does not require the production of expensive hot stamping plates, it is very suitable for production of labels and proofs for short-run and low-quality labels.
Mr. Chriscorbtt, Manager of International Sales Department of ITWFoilmark, pointed out that the price of rotary hot stamping cylinders is relatively high, which occupies a large proportion in the cost of hot stamping process. From the cost point of view, more printing plants will consider using cold blanching instead of traditional blanching, using heated rollers, saving energy, reducing energy consumption, and greatly reducing printing costs.
However, compared with hot stamping technology, cold stamping technology still has certain defects in quality. Cold stamping is limited by the hot stamping process, adhesives, metal foil and other conditions. The leveling property of UV adhesives is poor. The plane is not an absolute plane, and the surface of the metal foil transferred on it has poor brightness and diffuse reflection. Therefore, cold stamping technology is not suitable for the processing of high-quality packaging and label products, cold stamping technology needs to be further improved.
Based on the advantages and disadvantages of cold stamping and the market development situation, the cold stamping process is likely to become a hot spot in the market. The general manager of an enterprise talked about the cold stamping market. The general manager said that he is very confident in the cold stamping market. With the advancement of cold stamping technology, cold stamping will account for an increasing proportion in the bronzing market. Will the cold perm market really be like this general manager described? Will the cold stamping technology witness the miracle of the bronzing industry in the future? Only waiting time for verification.
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