Printing adaptability of ink cleaner     In the packaging and printing industry, although the amount of auxiliary equipment is small in printing, it is a part of printing equipment that has a great impact on printing quality and stability, such as printing cots, blanket, stream plate solution and ink cleaner.Printing adaptability of ink cleaner. Generally speaking, the technical indicators for measuring high-quality ink cleaning agents mainly include: 1. Fragrance free     Aromatic compounds have strong cleaning ability for ink, but aromatic compounds have many adverse effects on printing, so new ink cleaners should not contain aromatic compounds.Printing adaptability of ink cleaner.Aromatics will cause rubber expansion, affect printing pressure, and easily cause printing quality problems.Does not comply with environmental standards and human health standards.Printing adaptability of ink cleaner 2. It has the characteristics of high flash point     At pres […]

Printing adaptability of ink cleaner      In the packaging and printing industry, although the amount of auxiliary equipment is small in printing, it is a part of printing equipment that has a great impact on printing quality and stability, such as printing cots, blanket, stream plate solution and ink cleaner.     At present, many domestic printing enterprises only consider the immediate absolute cost and still use gasoline or kerosene to clean the ink. This process has obviously affected the social and production benefits of the printing industry, which must be changed. In addition, in terms of drum maintenance, many manufacturers are promoting this market.Printing adaptability of ink cleaner.      Now many printing plants, especially in coastal areas, pay more and more attention to the important role of printing effect. Therefore, high-quality ink detergent has broad development space. Cleaning principle of ink cleaner with the improvement of people’s requirements for printing […]

Treatment method for fading and discoloration of printed products      In the packaging and printing industry, there are various types of paper products. Under the irradiation of sunlight, sunlight, incandescent lamps and other light sources, printed products such as books, picture albums, newspapers, advertising recruitment pictures and New Year pictures can show bright and colorful colors through the selective absorption and reflection of ink materials.Treatment method for fading and discoloration of printed products.     The fading and discoloration of printed matter are caused by many factors, such as light resistance of ink, acid-base of paper, temperature, printing color sequence and so on.Treatment method for fading and discoloration of printed products. 1. Discoloration during ink drying.     In the process of printing, the ink color of the newly printed ink is compared with that of the dried ink. The ink color of the newly printed ink is relatively deep. After a peri […]

Operation method of plane color screen printing       In the packaging and printing industry, a variety of flat color screen printing are often needed. Today, China paper network editor found the relevant content and introduced the operation skills in detail.Operation method of plane color screen printing.      1. Selection of plate making film.      In order to obtain screen prints with rich levels, first make films like offset plates, and select the website output of 100-133 lines / inch. Too high number of lines is not conducive to the reproduction of medium and low-key levels. When selecting the circular website, the copy curve of the screen printing website is reduced below 20%, and 70% of the website becomes larger.      The step curve of the image must be adjusted before publishing. The network angles of general films are magenta version 15 °, green version 75 °, yellow version 90 ° and black version 45 °. Practice has proved that moire rarely occurs.      In addition, in order […]