Although more and more cigarette package printing enterprises start to pay close attention to the water ink, water-based ink gravure printing is used in Chinese tobacco package also has some improvement, but the current water-based ink is mainly focused on the application of on the printing quality of low-grade tobacco package, in the application of high-grade cigarette packets is not optimistic, but there are still a lot of cigarette packet printing enterprises dare not set foot in water-based ink area. So, what is the problem in Cigarette Package Gravure water-based ink application is limited? 

Question 1: ink performance is still insufficient 

Yunnan Qiaotong packaging and Printing Co., Ltd. ink technology development center of technical research and development minister zhengxiaobo said: "overall, certain properties of the water-based ink being unable to solvent based inks and match, the printing effect and solvent based inks, there are also some gaps compared. This is to cause the domestic cigarette package printing enterprises of water ink accept one of the main reasons for the high degree of. " 

The first is drying, water-based ink with water as the main solvent, and the latent heat of evaporation of water at room temperature, evaporation speed is slow, so the leveling, adhesion, gloss than solvent based inks are worse, easy to produce printing quality problems; second is the solubility and solubility of water-based ink on between the aqueous emulsion and paste dissolved and dry with good or bad, often mixing production, and water-based inks of different brands, different storage period, water ink exceeds the safe storage period is easy to produce precipitation or hierarchical, i.e. the stirring will not have much effect, at this time will be knife line fault can not be avoided, even more serious. 

In addition, there are some defects in the current standard, not enough attention and understanding of the lack of water-based ink in some aspects of performance. To GB/T26395-2011 the water tobacco package printing ink "standard, for example, standard expression of water-based gravure ink part can still see the shadow of alcohol water based gravure ink, and not on the ban list but must add auxiliary material with clear add limited, from the real water soluble or water-based ink standard is still some distance. Shandong Luyan Laizhou Printing Co., Ltd. engineer Ma Guang province pointed out: "the future introduction of the new standards if can be of organic solvent cut to limit transfer admittance system, namely beyond the provisions of the material are not allowed to use, then the water - based ink on cigarette packs to be no small role in promoting application of gravure printing. " 

Problem two: production process need to adjust 

In cigarette package printing, if the original use of solvent based inks for water-based ink must also be in multiple aspects of plate making parameters and equipment structure to be adjusted and improved, otherwise it will affect the printing effect. "This requires not only the active cooperation of ink production enterprises and the version of the material supplier, the operator's operating specifications and skills also have higher requirements. "Quanyong printing technology manager and production manager Liu Fengjie stressed. 

For example, due to the water resin for water-based ink drying is not reversible, if still use the traditional diamond shaped network points of intaglio, along with the extension of the use of time dry solid in the network in a hole at the bottom of the ink will caused blocking version, resulting in ink transfer amount is not sufficient, thereby affecting the consistency of printing color. In this regard, on the one hand and need to use four square mesh point of laser engraving gravure; on the other hand, operators must be timely, thorough cleaning gravure, otherwise dry after the entire branch version and will be scrapped. 

In addition, in order to make up for the shortage of water-based ink drying, also need to retrofit existing gravure printing machine drying device, or increase the dry power of the drying device, or does not change in the gravure printing machine drying power. By changing the air volume and wind speed drying device to enhance dry ability. 

Problem three: cost concerns 

With the development of the tobacco industry benchmarking activities, the tobacco company began to strictly control the smoke package cost, promote the tobacco package prices fall sharply, and even trigger a wave of price cuts. At the same time, raw and auxiliary materials and energy prices continue to rise, labor costs continued to rise, the tobacco package printing enterprises profits continue to be diluted, tobacco package printing enterprises in terms of cost consideration has therefore become extremely sensitive and cautious. 

On the current situation of cigarette package gravure printing using water-based ink is higher than the use of solvent based inks cost. Hand, water-based ink to water-based resin connecting material, the purchase price is much higher than the price of ordinary solvents; on the other hand, in order to adapt to the characteristics of the printing ink, in terms of production energy consumption, equipment modification and so on more or less need to do some capital investment. Therefore, for those who have not yet involved in the field of water-based ink printing ink printing enterprises, which will increase their concerns to a certain extent..