| abstract |
(57) [Problem] To improve pigment dispersion stability in a hot melt ink composition for an ink jet printer. SOLUTION: In a hot-melt ink composition for ink jet, which forms a recording dot by liquefying the ink composition which is solid at room temperature by heating and jetting it onto a recording medium, the composition of the ink has a pH of 7.0 or less. Pigment, and carnauba wax or hydroxyl value of 20 or more and 15 Adjust so as to contain 0 or less alcohol type wax. |