客车车身涂层开裂与脱落原因探讨

Causes Discussion on the Cracking and Peeling of Bus Body Coating

对客车车身涂层出现贯穿性开裂和块状脱落现象进行了分析,指出提高钣金质量和涂装施工质量;提高底漆耐苯乙烯性;选择韧性好的腻子是解决涂层开裂、脱落问题的关键。

The penetrating cracking and block peeling appeared on the bus body coating were analyzed. The key point to solve this problem was pointed out, including improving the quality of metal plate and coating application,promoting the styrene resistance of primer and choosing putty with good toughtness.