The newsprint absorbs less water along with the increment of IPA content in fountain solution at the same time, and the absorption rate decreases with the increase of IPA.
In offset printing, the fountain solution mixing takes important effects of improving graphics quality and reducing printing fault.
Except for the waterless offset printing technology, normal flatbed printing machines all use the water supply device to swear fountain solution and ink supply device to swear ink over the plate.
(4) The condition under which steel rollers fail to take up the ink on offset presses, and instead are wet by the fountain solution.
PH: The potintial of hydrogen. Aterm which is used to describe the degree of acidety or alkalinity of a substance or solutio such as a sheet of paper or fountain solution.
