Cleaning compositions include (a) a carrier liquid; (b) a metal citrate and/or a plurality of reagents configured to generate the metal citrate in situ; (c) one or a plurality of non-ionic surfactants; and (d) an organophosphate hydrotrope configured to increase solubility of the one or the plurality of non-ionic surfactants in the carrier liquid. Methods for cleaning engine cooling systems are described.
清洁组合物包括:(a) 一种载液;(b) 一种
柠檬酸金属和/或多种试剂,配置用于在原位生成
柠檬酸金属;(c) 一种或多种非离子表面活性剂;以及 (d) 一种有机
磷酸酯
水溶液,配置用于增加一种或多种非离子表面活性剂在载液中的溶解度。介绍了清洁发动机冷却系统的方法。