| 摘要 |
PROBLEM TO BE SOLVED: To provide a calcined or non-calcined colored pencil lead which is excellent in hue, light-fastness, and strength, can be erased with a rubber eraser, and is suitable for such as a colored pencil lead for a mechanical pencil and a colored pencil lead for a wooden shaft pencil.SOLUTION: The colored pencil lead is constituted by filling a resin, in which a dye is dissolved or included, in pores of a pencil lead body. Further as for the colored pencil lead, the resin including the dye is soluble in an organic solvent. Further as for the colored pencil lead, the resin including the dye is film-like and has a thickness of not greater than 1 μm. |
