| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an eraser for a white board, which can repeatedly remove exclusive ink without leaving no ink residue on a plate surface and prevent the residue from dropping, flying about to scatter on a floor or the like when rubbing and erasing letters, draw lines or the like written with a special marker on a white board with the surface smoothly formed by enamel, magnetism, porcelain enamel or the like, or plastic.SOLUTION: An eraser 10 for a white board has an eraser base portion 20 and fibers 30 implanted on the eraser base portion 20, where the fibers 30 are exposed out of the eraser base portion 20 by a length of 7 to 30 mm, and 0.1 to 1.0% of the fibers 30 are made of conductive fibers.</p> |
