PS version of the reason for the low printing resistance
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The PS version is a pre-coated photographic material. Printing is composed of many links, and every step must be strictly operated to ensure the quality of printing. There are many reasons for the poor printing resistance of the PS plate. The printing conditions of each printing factory are different, such as: running light (before exposure, before development); insufficient density of positive film; overexposure; drug adhesion; with PS The use of strong plate cleaners and roller cleaners in the cleaning agent; excessive printing pressure; more paper powder, etc. may cause a decrease in printing durability. The main countermeasures for treatment are to use yellow safety light to fully shield the harmful light; to reproduce the positive film (density above 1.5); to develop under standard conditions; to arrange the appropriate developer, pay attention to the development time; do not use inappropriate drugs Reduce the number of wiping; use a softer cleaning agent; adjust the printing pressure and so on. The printer can refer to the above reasons to see if you have neglected a certain link, and at the same time master the correct exposure, development methods and operating procedures to achieve the best use of the plate.