| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil based marking pen ink composition having excellent adhesion of the drawn lines against fretting even in writing on a sheet of glass, a polyethylene film or like of nonabsorptive surfaces. SOLUTION: In the oil based marking pen ink composition comprising at least an alcoholic solvent and/or a glycol ether based solvent, a colorant, and a resin, a toluenesulfonamide epoxy resin is incorporated. |
