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What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

     Wet offset printing is the most common printing process in today’s printing industry. The basic principle is to balance the water and ink in the printing area (printing ink) and non printing area (water) on the printing plate. The key is to keep the ink balance, stability and control.

What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing    

     Anhydrous offset printing uses the non printing area coated with silicon coating on the printing plate to remove the ink balance control and avoid using water as the medium.What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

      In terms of printing quality, printing without water makes the printing dot of anhydrous offset printing sharper and better performance. Waterless offset printing has the ability to achieve higher line number and contrast.What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

     In terms of printing durability, wet offset printing is more compatible than anhydrous offset printing. Water can be regarded as cleaning plate and ink path, which is a bit like self-cleaning function during printing.What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

     In the anhydrous printing plate, dust and paper scraps will damage the silicon coating of anhydrous offset printing, which makes the selection of substrate and the cleaning requirements of working environment more stringent.What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

    Generally speaking, waterless offset printing requires higher requirements of printer maintenance and operator skills. Even if there is a slight mistake in the process, the printing quality may also change greatly. What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

      The problem of ink temperature, although after years of technical development, anhydrous offset printing is still a very complex process. What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

      Each process requires perfect control in order to achieve high printing quality.What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

    When the printing speed is higher than 150m per minute, wet offset printing needs a cooling roller to cool the heat accumulated in the printing group, which may affect the performance of the ink and the density of the ink.What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

    Anhydrous offset printing requires cooling roller to cool the ink path at any printing speed and cooling the printing plate in the center of the plate roller, because the printing ink temperature is very sensitive to controlling the printing quality. What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

    The working temperature of printing ink is limited to a very narrow range, only 3-4 ℃. Depending on the supplier, above or below this temperature, the printing ink will become unstable, which will affect the printing quality. What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

     In order to achieve better control of printing effect, air conditioning and temperature control are required in the factory.What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

     From the perspective of consumables, there is only one supplier of anhydrous offset printing plate, and there are not many printing ink suppliers. The suppliers of wet offset printing consumables are actually numerous. What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

     For the cost of consumables, due to the lack of water offset printing in the industry, the cost of consumables is obviously higher than that of wet offset printing. In some cases, the price of ink and plate can be three times higher.What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

        Anhydrous offset printing claims that it can reduce the waste of machine adjustment because it does not need to deal with ink balance. What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

      On the other hand, modern wet offset printing can automatically adjust ink supply and water treatment. What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

     Which also makes the control of ink balance more accurate and faster, which is comparable to anhydrous offset printing. In fact, controlling the ink feeding process will largely affect the performance of wet offset printing and anhydrous offset printing.What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

      Due to the lack of water, anhydrous offset printing can achieve good printing effect in a very short printing turnover time, on the premise that conditions such as temperature and cleaning must be met, and the basic parameters have been set correctly.What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

      For unknown substrates, wet offset printing still takes more time and produces more waste products. When repeating the same printing live parts on a known substrate, the advanced offset printing unit can store the existing ink parameters and repeat printing. What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

      Its preparation time is short, which is similar to that of anhydrous offset printing.What is the Difference Between Wet Offset Printing and Anhydrous Offset Printing

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