| 摘要 |
PROBLEM TO BE SOLVED: To obtain a wiper cloth which has excellent in cleaning ability and is easy to grasp the abrasion level. SOLUTION: This wiper cloth for cleaning is produced by assembling in a unit surface cloth 2 of a nonwoven fabric containing at least partially ultrafine fibers of a diameter of 1-9μm diameter at least on one side of a flexible core material 3 with larger thickness and strength than the surface cloth 2, and the surface cloth 2 and the core material 3 are colored in different colors so that when the core material 3 is exposed due to abrasion of the surface cloth 2, the abrasion level of the surface cloth 2 is easily found by the contrast of these colors.
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