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BLACK INK COMPOSITION FOR AQUEOUS BALLPOINT PEN AND AQUEOUS BALLPOINT PEN
BLACK INK COMPOSITION FOR AQUEOUS BALLPOINT PEN AND AQUEOUS BALLPOINT PEN
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机译:圆珠笔和圆珠笔的黑色墨水成分
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摘要
PROBLEM TO BE SOLVED: To provide a black ink composition for an aqueous ballpoint pen and an aqueous ballpoint pen having a reduced wear of a ball receiving seat of a tip, a long writing distance, and having sufficient thickness.;SOLUTION: The black ink composition for an aqueous ballpoint pen is used in a ballpoint pen with a ball diameter of 0.38 mm or less and contains at least water, a color material and a water-soluble solvent, wherein it is characterized by using, as the above color material, a color material prepared black by mixing two or more pigments having different color indications of the C.I. Name (Colour Index Generic Name).;COPYRIGHT: (C)2006,JPO&NCIPI
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