| 摘要 |
PROBLEM TO BE SOLVED: To provide an aqueous detergent concentrate for a tile and a stone plate having a rough surface, especially a profiled surface. SOLUTION: The aqueous detergent concentrate comprises a nonionic, an anionic, or an amphoteric surface active agent as a base without joint use of an auxiliaries and an additives and contains one sort of sorbitan ester having a structure represented by general formula (I) as a cleaning accelerator. COPYRIGHT: (C)2006,JPO&NCIPI
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