| 摘要 |
PROBLEM TO BE SOLVED: To provide a water absorber for performing a clear color development after use.SOLUTION: A water absorber 1 is one for absorbing liquid and has a plurality of granular materials 10. The individual granular materials 10 contain a coloring material 20. Moreover, the individual granular materials 10 are made mainly of paper or the like. If the water absorber 1 absorbs liquid, the granular materials 10 are degraded and mixed with one another.SELECTED DRAWING: Figure 1 |
