engleski

Deviations of the CtP Printing Plates Quality caused by Chemical Processing

The aim of research was to make a comparison betwenthe ageing process of the developing solution and the adsorption of the fountain solution on the CtP printing plates. Different adsorption is mostly caused by variations in chemical processing conditions. According to that, physical and chemical characteristics of the fountain and developing solutions were measued within different processing conditions. The investigation has showed that during the ageing of the developer solution certain physical-chemical change have appeared. These changes can considerably influence the application of the fountain solution on the printing plate and can result with incorrect water-ink balance during the printing process.

CtP printing plates, quality control, chemical processing

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