Digital printing makes printing more environmentally friendly

Digital printing makes printing more environmentally friendly Digital printing machines can minimize air pollutant emissions What is the biggest impact on the environment? Any material that passes through the press or prepress operating system becomes either a product or a waste product. It can be said that every piece of raw material that we use to produce printed products is, to a certain extent, a waste product manufacturer.

Due to air pollution caused by the use of ink solvents, coating solutions, dampening solutions, and cleaning solutions, these inks and solvents, as well as printer cleaning agent residues, can generate hazardous waste, and film cleaning, platemaking, and cleaning systems generate Wastewater, all these waste streams will cause great harm and damage to human health and ecological environment inside and outside the factory.

However, with the use of digital prepress technology and printing presses, harmful substances can be avoided or produced in small amounts. First of all, we can look at the environmental potential of digital printing from the poster and billboard printing market. Screen printers occupy an advantageous market position in the areas of large billboards and poster printing. They require the use of solvent or water-based inks, u V-curing inks, and coatings. However, the pollution problem may not necessarily result from the printing of the product, but rather from the screen cleaning process after a job is completed or after a work cycle.

Screen printing equipment is generally cleaned with a solvent in the cleaning solution. In many cases, it is necessary to use a strong solvent in order to dissolve dry ink, which is a great harm to the body. Solvent gases in the cleaning area and printing plant all require an exhaust system to remove these harmful gases. The cleaning solvents for hazardous wastes must be handled in accordance with government regulations. Therefore, small screen printing machines often have a lot of hazardous waste disposal problems.

With the advent of huge digital presses, printing problems of 30 inches to 17 feet in width were solved. Inkjet printers are now very capable of printing posters and billboards, and they can also minimize air pollutant emissions. In fact, local laws in some states in the United States have excluded digital printing from air cleaning legal provisions. uV curing ink jet printers make a great contribution to reducing the impact of the press on the health and external environment. Therefore, when assessing the advantages of purchasing a digital printing or prepress system, it is important to consider environmental costs and health requirements as a measure of return on investment.

Digital technology reduces industrial waste disposal costs Label printing is another beneficiary of digital printing. Gravure printing and flexo printing techniques for narrow-web web printing require liquid inks, where the solvent or water contains many chemical additives such as glycols, and some printers use uV-cured inks. However, the final procedure for each job must be to clean the inkjet table and transfer roller with a print cleaning solvent. Here we also face the issue of air pollution emissions and hazardous waste removal. Digital presses do not require cleaning solutions such as solvents or water-based inks to clean the presses, so the result is a significant reduction in exhaust emissions and waste.

Lithographic printers, especially those with a smaller number of prints, have applied digital printing to eliminate dampening solutions, blanket cleaning fabrics and a considerable part of the boot waste, and digital printing has eliminated preparations for printing plates, thus making exposure and Prepress system waste generation is greatly reduced. Needless to say, digital processing effectively reduces the environmental damage caused by printing.

Digital printing has also revolutionized the workflow. Because of the amount of silver contained in the film and the nature of the developing chemicals, the darkroom chemicals used to be deadly poisons in the wastewater. However, it has been lost. With computer-to-plate, traditional printing does not require the use of film as a medium to produce plates. With direct printing, digital plates do not require plates. Digital technology has provided effective solutions for the ever-increasing costs of industrial waste disposal. Digital printing can help reduce costs such as the cost of obtaining licenses, the potential cost of infringement of environmental laws, and the cost of collecting and disposing of scrap. So when you introduce a digital press, in addition to its purchase and operating costs, have you considered the cost savings it can bring?

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