With the introduction of more stringent environmental regulations, environmental inspections and safety production investigations one after another, VOCs sewage charges, the majority of printing and packaging companies are facing increasing pressure, must pay attention to energy conservation and emission reduction and continuous improvement of the workshop production environment The urgency of achieving alcohol-free printing requires no rumors.
However, “alcohol-free fountain solution†is not a new topic. As early as around 2005, domestic companies have tried to promote alcohol-free fountain solution, but due to technical reasons, there are few companies that can achieve alcohol-free printing. There are few, and the results are unsatisfactory.
Fortunately, the research and development of domestic alcohol-free dampening solution has not stopped here. A group of outstanding enterprises have gone forward and continued to sum up experience, introduce advanced foreign technology, and combine the actual production environment of domestic printing enterprises with the habits of captains. A series of more successful alcohol-free fountain solutions, Fresnel® HD-31 is one of them.
What are the benefits of using an alcohol-free fountain solution? You may say that it is more cost-effective, greener and safer than using alcohol, effectively improving the workshop environment, avoiding the long-term corrosion of the rubber roller by alcohol. In fact, regardless of the management, technical and procurement departments of the printing company, or the vast distributor of printing consumables, they are convinced of the advantages of the above-mentioned alcohol-free fountain solution. However, if an alcohol-free dampening solution is not used smoothly, the water level of Heidelberg and other German machines will be 80 to 90, and it will be prohibitive if you let the propaganda campaign do the best.
Flying Lion Company adheres to the concept of “Quality Flying Lions, Serving the Worldâ€, introduces German technology and corrects the formula according to the national conditions, and strives for breakthrough through “stableâ€. Through the interaction of multiple active agents, the ink and water balance is precisely controlled and firmly pressed. "Water level", whether it is shallow or large, is the same as using alcohol and maintaining long-term stable printing.
At present, the domestic general alcohol-free fountain solution has not encountered much problems on Japanese machines, and it can stably print for a long time. Occasionally, the ink is too dry or too slow, the pH of the dampening solution is improperly controlled or the additive is used. Improperly causing damage to the printing plate and rotten nets, but overall, there is no suspense in the smooth implementation of the non-alcoholic printing of Japanese machines.
German machines, such as Heidelberg, Roland and KBA, to achieve free alcohol printing, also need to be careful, carefully select brands and manufacturers. Because the brand of fountain solution that can realize free alcohol in the German machine and maintain long-term stable printing is still very rare, there is a general situation where the water level is high, and when the shallow network and the large field coexist in the same layout, the captain can’t do anything about it. occur. Take a large-scale color box factory in Guangdong as an example. The machines are mainly Heidelberg 102 5+1, 6+1, KBA 105 6+1, etc., almost every set will encounter spot colors, and at least one spot color More than 3-4 spot colors; in order to open up the international market, the company decided to achieve high-end image, decided to achieve green printing, and tested more than a dozen different brands of alcohol-free fountain solution, which were unsuccessful. The problems that arise are concentrated in: the water level is too big to be difficult to control, the water level of the spot color group reaches 80 or more, and some ink sets have a slight ink color. The captain continues to print in a large and large way, and then the pile appears. Ink ink and other faults.
In response to the problems encountered by the company, our company sent technical engineers on-site guidance to help solve the problem. After checking that the water path of the machine was confirmed to be basically normal, the working fluid was configured according to the prescribed ratio, and the water circuit was cooled and circulated. After the water temperature reached the standard, the test was started. . With the Upper Fossil® HD-31, the machine's water level dropped by 10 compared to the previous level, which was essentially the same as the previous alcohol-printed water level. Since the job is mainly short-term and spot color, our engineers recommend changing the water regularly, cleaning the water tank, and shortening the water exchange interval appropriately to ensure that the chemical components such as ink cleaning agent are not adversely affected by the dampening working fluid.
With the increase of environmental protection pressure, green printing has become a hot topic, but the problems and contradictions in the domestic printing workshop environment, captain operation level and usage habits and concepts are still very prominent. To truly achieve free alcohol printing, we need a wide range of consumables dealers to select manufacturers that have genuine product development capabilities and upgrade capabilities. They have authoritative certification, and have passed strict third-party testing and printing company testing and long-term use of products. Only the printing companies, consumables distributors and manufacturers work together to update the concept, keep up with the pace of the times, and constantly innovate, in order to truly usher in the era of green printing.
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