| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an ink composition for off-set printing which can suppress occurrence of water marks in solid areas while keeping staining resistance of non-image areas.SOLUTION: An ink composition for off-set printing includes a coloring pigment, a binder resin and an oil component and shows a water intake speed of 4 s or smaller, in an emulsification test using a Lithotronic Emulsification Tester in which water in such an amount as to give an emulsification ratio of the ink composition for off-set printing of 20% is added at one time and an emulsification limit rate of 40-50% when water is added by dripping.</p> |
