Case Analysis Of High Concentration And Low Viscosity Ink

In recent years, in order to deal with the problem of global warming, as well as carbon neutrality, VOCs emission reduction and other issues, DIC has developed a variety of solutions that can reduce VOCs through innovative research and development. Among them, high-concentration and low-viscosity ink technology is the current A very mature solution has been recognized by customers in terms of VOCs emission reduction and cost reduction and efficiency increase, creating dual values of environmental protection and economy for customers.

The following is a practical application case to share with you.

The high-concentration and low-viscosity ink is a new design of the ink formula, which improves the color concentration of the ink and has very good printability, so that the ink resin dispersion system will not be unbalanced due to the increase in color concentration. This ink can be used in a wide range of fields such as fast food, boiling (F type), and steaming (R type) with a single liquid method; it is suitable for printing various composite films, and the residual solvent of the printed matter is very low, especially suitable for food packaging Printing: From medium speed to high speed (above 300m/min, up to 450m/min), in the field of large printing speed span, the printing adaptability is good.

High-concentration and low-viscosity can realize shallow printing. The plate depth of conventional gravure electric engraving is generally 49um. Using high-concentration and low-viscosity ink can use a shallow plate with a depth of 29um, which can achieve the printing of a 49um deep plate with conventional ink. Effect. To achieve the same color density and tone, ink consumption can be reduced by 10%~30%, and the entire solvent usage and total VOCs emissions can be reduced by more than 30%.

In terms of actual testing and electric engraving parameter matching, high-concentration and low-viscosity inks can achieve the effect of conventional gravure inks in terms of printing color gamut and color expansion, and printing characteristic curves and printing characteristic files can also be produced with high quality. Makes it possible to keep up with printing standards very well when switching regular ink printing orders.

Compared with the standard plate used with conventional inks, the theoretical ink volume of the 29um shallow printing plate is only about 45% of the ink volume of the conventional 49um printing plate.

From the comparison of the usage of conventional inks and high-concentration and low-viscosity inks, the usage of color inks will be reduced by 28.6%, and the usage of white inks will be reduced by 37.7%, and high-concentration and low-viscosity white inks can also be used for shallow printing. The covering power of conventional white ink is the same (according to the actual use environment, the ink usage reduction will fluctuate).

In terms of actual ink promotion, since the launch of high-concentration and low-viscosity inks, dozens of customers have successfully used them, bringing very high social and economic values.

High-concentration and low-viscosity inks can be switched to ordinary inks, basically without the need to modify the existing gravure printing machine. From the perspective of gravure printing, the usage of color ink and white ink is about half.

In terms of actual use by customers, it is recommended to start using white ink first, and use shallow plates for new orders of white ink plates, and use high-concentration and low-viscosity white inks, which can achieve the fastest reduction of VOCs emissions and cost reduction and efficiency increase.

The switching of color inks also starts with a new order, and with the switching of orders, all orders are gradually completed. In this regard, our technical engineers have very rich experience and can assist customers to make good use of high-concentration and low-viscosity inks.