Ball for pen pen and ball point pen

摘要

In the case of a ballpoint pen ink containing at least one kind of organic solvent, resin and coloring agent selected from the group consisting of alcohols and glycol ethers, the spectral reflectance in the ink receiving tube filled with the ballpoint pen ink To determine the color in appearance through a portion of the ink pen for a ballpoint pen having a maximum value of 500 to 520 nm and a maximum intensity / minimum intensity ratio of 2.2 to 5.5, and a transparent ink container using the same and passing through the light of the ballpoint pen body axis Ballpoint pen.