| 摘要 |
[Problem] To provide a solid writing body having excellent color changeability of the writing and exceptional stability over time after color change. [Solution] A solid writing body characterized in including a reversible thermochromic microcapsule pigment, a vehicle material, and a filler, the heat capacity (Q1) corresponding to the vehicle material being 2.6-30.0 J/g when the solid writing body is subjected to heat capacity analysis. |
