| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink composition for oiliness marking pen, which prevents writing squeezeout in a lower temperature environment, and is excellent in prevention of dryness of pen point, and in detail, which does not cause writing squeezeout even in a lower temperature environment assuming a winter and cold district, and even when a pen point is exposed outside for long time, the pen point is less likely to dry and achieves preferable handwriting.SOLUTION: Provided is an ink composition for oiliness marking pen including polyglyceryl fatty acid ester formed of at least a color agent, an organic solvent, and a polyglyceryl fatty acid ester formed of tetra glycerin which is formed by diesterifying with a straight chain saturation fatty acid of C10-C20.SELECTED DRAWING: None |
