| 摘要 |
PROBLEM TO BE SOLVED: To provide a rust-removing detergent which has less influence on human body, never causes white leavings even in rinsing with hard water after use, and has high rust removability.SOLUTION: A composition obtained by mixing, to oxalic acid, a specific polyoxy alkylene compound and a polyhydric alcohol in specified ratios is used as a rust-removing detergent. |
