A new passivation bath(ACM) using a non\|toxic water solubility acrylic resin(AC) with some molybdate and phosphate(M) was developed for galvanized steel to instead of toxic chromate.

• 选择了一种无毒的水溶性丙烯酸树脂(AC)加入至钼酸盐、磷酸盐中(M)得到一种钝化液(ACM),对镀锌层进行钝化处理以代替有毒的铬酸盐钝化。