It can be said that after more than 10 years of development, the current development of recycled PS version has begun to take shape. The first reason is the improvement of process level and quality, and the second is that there is more demand in the market. The recycled PS version has met the quality requirements of a certain level of printed matter in terms of process and quality, and has saved costs, so it has won a wide range of markets and users.
Applicable objects of regenerated PS version
At present, the recycled PS version has occupied a considerable market share in the fields of color proofing, book printing and packaging printing. In color proofing, about 90% use the regenerated PS version. In the field of high-end four-color printing, many companies are also using recycled PS plates, but they have not yet formed a large-scale. The reason is that the technical level of the regenerated PS version enterprises is uneven, and some enterprises do not have the technology in place, the lack of process technicians who fully master the electromechanical technology, the quality and technical level of the staff is not high, and various parameters of the production process control are not strictly tested , The required test instruments and experimental facilities are not equipped, and the factory products lack strict inspection standards, or there are standards but the standards are relaxed, and the production process is out of control, which causes the regenerated PS version products on the market to be mixed and some products cannot meet the quality. The requirements of the industry standards, or the second best, seriously damaged the market reputation of the recycled PS version.
The regenerated PS version produced according to industry standards, the main performance indicators (such as resolution, oxide film, coating amount, new ink, hydrophilicity) are the same as the standard of the new PS version, but the electrolytic sand mesh value is slightly higher The new PS version, so it is widely used in 150 lines / inch color commercial printing, newspaper printing, color black and white book printing, packaging printing, etc.
Purchase and use recycled PS version
What should users pay attention to when purchasing and using the PS version?
(1) The number of times of regeneration processing of the regenerated PS version is different, and the quality of the layout is also different. With the increase in the number of regenerations, due to its repeated folding on the printing press, the possibility of cracking the mouth will increase, and the amount of thinning will also increase. The use of such regenerated PS plates, first of all, pay attention to the change in printing pressure ( If the original version is used), because the thickness of the base is thinner than that of the new version, if the pressure is not adjusted, there will be problems such as smearing and blurring of the ink dots due to too small printing pressure. Secondly, it should be noted that when the printing volume is too large, the aluminum base may be damaged at the mouth, damaging the blanket. Therefore, when the printing volume is large and the quality requirements of the printed products are high, the recycled PS version should be selected once.
(2) After repeated use of the regenerated PS plate, if stored improperly, it may cause an oxidation reaction between the aluminum plate base and water, causing localized corrosion pits on the plate surface, commonly known as oxidation points. If the area of ​​the oxidation point is small and the number is only a few, the manufacturer will leave the factory as a defective product. Such a regenerated PS plate is not suitable for high-end color printing, because the presence of the oxidation point affects the resolution of the color image, which affects the quality of the printed matter. quality. But this type of printing plate will not be a problem for printing black and white images and books and periodicals, and its price is much cheaper than genuine products.
(3) There are a large number of manufacturers of regenerated PS plates, and the scale is small. The manufacturers use a wide variety of coated photosensitive liquids. Therefore, the products of various manufacturers have large differences in sensitivity and alkali resistance. When regenerating the PS version, the plate-making operation must be carried out according to the printing time and development conditions marked on the manufacturer's manual. Otherwise, the printing quality will be seriously affected.
After years of technical accumulation and talent reserves, these enterprises have formed relatively complete processes and production processes, accumulated rich experience in after-sales service, and the product performance is relatively stable. The emerging regenerative PS version companies, especially those in Changge, Henan The market development ability is extremely strong, and it has shown strong capabilities in the market since its inception. Its production capacity and market share have grown rapidly, and the investment recovery period is extremely short. It has paved the way for its technological transformation and process upgrade, and its development potential Don't underestimate. Throughout the development of the recycled PS version industry, as long as the enterprise makes a fuss in the development of a circular economy, taking energy conservation, cost reduction, technological transformation, and environmental protection as the basic points of enterprise development, the industry's prospects are very broad and have great Development space, the road of enterprise development will become wider and wider.
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