DIN EN ISO 4623-1-2017 色漆和清漆. 耐丝状腐蚀的测定. 第1部分：钢基材(ISO / DIS 4623 - 1:2017)；德文和英文版本prEN ISO 4623-1:2017
Paints and varnishes - Determination of resistance to filiform corrosion - Part 1: Steel substrates (ISO/DIS 4623-1:2017); German and English version prEN ISO 4623-1:2017
This part of ISO 4623 describes a test procedure for assessing the protective action of coatings of paints or varnishes on steel against filiform corrosion arising from a scribed mark cut through the coating. It is only suitable for assessing the performance of the coating/substrate combination tested. It is not suitable for predicting the performance of the coating on different substrates.