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首页  >  失效分析  >  涂层失效分析

涂层失效分析

来源: | 作者:涂料涂装网 | 发布日期:09-18

 

表面油污:涂层脱落,附着力差,鱼眼或缩孔

表面盐污染:起泡,渗透起泡

表面粗糙度太大:针尖锈蚀,涂层不能完全覆盖粗糙度的针尖

表面潮湿:涂层脱落或湿气膨胀起泡

加错固化剂:涂层不固化,不能起到防腐效果

添加固化剂比例不对:涂层固化不完全,不能达到预期的防腐效果

加错稀释剂:涂层不固化或固化不彻底,涂层流平性差,流挂,针孔等缺陷

喷枪距表面太近:流挂,

喷枪距表面太远:干喷,过喷

涂层太厚:开裂

涂层太薄:无法遮盖底材,针尖锈蚀

 

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