| 摘要 |
PROBLEM TO BE SOLVED: To provide a pen point for a writing material useful for oily ink as well as white board, which is excellent in resistance to solvent as well as resistance to drain back and soft in the feeling of writing while capable of writing a line with a width in accordance with the size of the pen point. SOLUTION: The pen point is constituted of a porous rod type bundled fibrous body while the fiber for the rod type bundled fibrous body is formed of the mixed cotton of acrylic fibers and vinylon fibers.
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