涂料和清漆.在缓冲氯化钠溶液中反复腐蚀以及从该溶液中清除的腐蚀试验

[中文适用范围]： 本国际标准描述了一种测试程序，用于评估铝和铝合金上的油漆或清漆涂层对划痕切割涂层所产生的腐蚀的保护作用，当涂层面板经受交替浸没和浸入的测试方案时从稀盐溶液中除去。 [外文原描述]： This International Standard describes a test procedure for assessing the protection offered by coatings of paints or varnishes on aluminium and aluminium alloys against corrosion arising from a scribe mark cut through the coating, when the coated panel is subjected to a test regime of alternate immersion in and removal from a dilute salt solution.