本国际标准规定了一种披露方法 测试时，孔隙或其他不连续性 金属涂层，不受 试验期间的铁氰化物和氯离子 这是钢铁的阴极。这种方法 特别适用于厚的硬铬涂层 用于耐磨性。交叉引用:ISO 3696:1987购买本文件时可获得的所有现行修订均包含在购买本文件中。

This International Standard specifies a method of revealing pores or other discontinuities, when testing metallic coatings, that are not visibly affected by ferricyanide and chloride ions during the test period and that are cathodic to iron and steel. This method is especially useful for thick, hard chromium coatings used for wear resistance.Cross References:ISO 3696:1987All current amendments available at time of purchase are included with the purchase of this document.