The printing technology of food packaging bag has white ink technology, which brings infinite possibilities. It can make printing labels and packaging on transparent materials a reality. For the production director, for the designer. Now we can abandon the previous practice of printing on white paper with dark ink, and then leave the text or image area to be presented blank. However, printing text or image elements with white ink still faces many challenges, such as registration problems. No matter it is digital printing machine or offset press, no satisfactory solution has been found.
Digital technology has become a hot topic in the printing industry in recent years. Computer companies like Hewlett Packard are also competing in the printing market with their vibrant inkjet web presses. Today, printing and publishing companies around the world have gradually formed three camps: pioneers of digital technology, supporters of offset printing technology, and creators of organic combination of digital and offset printing technology. So, as time goes by, what new markets or hot technologies are emerging in today's printing industry? Let me make an inventory one by one.
Printing technology
Since its birth, it has been placed on the hope of filling the market gap between offset printing and digital printing. The way it works is to inject Randa ink into the print head, a printing technology invented by Benny Landa, the father of digital printing. This is a kind of water-based ink containing grade pigment particles. When printing, the ink is transferred to a Heated Blanket, and then transferred to the substrate. The compatible substrates include standard coated paper or uncoated paper, plastic packaging film or label paper without special treatment.
The properties of many materials change. And ink in this respect is very excellent. Due to its hard texture, the biggest advantage of printing technology lies in its ultra-small ink particles. After reaching the dimension of the stage. This kind of ink has very strong abrasion resistance and scratch resistance. Ink can absorb more light, so it can provide a wider CMYK color gamut. In addition, the tiny pigment particles can make the ink film more uniform and the image clearer.
The moisture will evaporate once the ink is transferred to the heated blanket. And leave a thin ink film. So people don't have to wait for the ink film to dry - which is common in offset and digital printing - and can go directly to the next production step. In addition, printing allows users to print more colors in the printing area without oversaturation. The ink can print up to 8 colors, the resolution is between 600 DPI and 1200 DPI, and the printing speed can be 200 m / min.
White ink technology
Thanks to white ink technology, printing white words or patterns on a dark background has never been easy. Opacity is mainly determined by the number of ink drops it ejects. The more white ink drops a printer uses, the more opaque the text or pattern it prints. Although it is more expensive, it can bring better visual effects to users.
The device can control the printing effect by adjusting the number of drops of ink jet in the process of paper feeding. And offset printing process, digital printing process. To achieve the same printing effect, the user must print the same substrate at least five times. Although the emergence of "white ink" technology provides a cheaper solution for white stamping, silk printing or plastic heat transfer printing, its texture and feel are still slightly inferior to manual processing. In particular, a variety of color printer ink jet printing technology can be used to control the maximum printing effect.