What is fountain solution?

We often say that water is used in offset printing. This water is not our usual tap water. It is a chemical solution composed of many components. In the traditional sense, offset printing and fountain solution coexist. The requirement of fountain solution is acidic. The low surface tension liquid, its main role in offset printing is to protect the blank part from being stained by ink, repair the worn plate, remove the oil from the blank part, and reduce the temperature of the printing machine. The specific types and components of the liquid also have specific functions, and we will introduce them comprehensively in future topics.

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