| abstract |
PROBLEM TO BE SOLVED: To provide an ink composition exhibiting excellent ink ejection stability when used in an ink jet recording apparatus, while maintaining the safety and sufficient permeability of the ink. An ink composition comprising at least a coloring agent, a humectant, a glycol monoether as a penetrant, a 1,2-alkanediol, and water, wherein the glycol monoether and 1,1 The ink composition has a weight ratio to the 2-alkanediol in the range of 1: 5 to 5: 1. |