集中空调系统化学清洗钝化预膜工艺的改进
Improvement of passivation film process in chemical cleaning of central air conditioning systems
摘要：
研究了聚丙烯酸纳（PAAS）的作用机理，试验结果表明，在钝化剂中加入PAAS能够提高金属钝化预膜的成膜质量。
关键词：化学清洗 钝化预膜 作用机理 试验
Abstract：
Studies the acting mechanics of PAAS. Experimental results show that adding PAAS to passivant can improve the quality of film.
Keywords:chemicalcleaning,passivationfilm,actingmechanics,test