Water, gum buffered acid, and various types of etches used to keep the non-image areas of the plate moist, and preventing them from accepting ink, in the lithographic printing process; also called fountain solution.
Kostutusvesi Fuktvatten Water-based solution used in sheet-fed offset for separation image and non-image areas on printing plate. Tensides or isopropanol alcohol is used to reduce surface tension of water. A very complicated mixture of different compounds.