What’s offset printing ink?
Offset book printing is the most important printing method in the world,it’s characteristic is need to use fountain solution in the printing process,so offset printing ink requires good water-resistance. In the past, the binders of offset printing inks were mainly vegetable oils, such as linseed oil. Now most of them have been replaced by various of resins with better performance. Common resins include rosin-modified phenolic resins, alkyd resins and polyurethane alkyd resins,etc. In the production of offset printing, the corresponding ink should be selected according to the paper used, the type of offset printing machine, the printing speed,product properties and uses. . What’s offset printing ink? Offset ink is also called offset printing ink. It is a large category of lithographic ink, which refers to the general term for inks suitable for various offset printing presses. What are the commonly used offset...