| 摘要 |
<p>Improved results are obtained in the no-rub cleaning of hard surfaces when the cleaner used in the process is an aqueous solution of (A) about 40-50 % by weight of a nonionic surfactant mixture of an alcohol ethoxylate and a C8-16 alkyldimethylamine oxide in a weight ratio of about 5-15/1 and (B) correspondingly, about 60-50 % by weight of one or more nitrogenous builders.</p> |
