标准摘要
[中文适用范围]： ISO 21227 的这一部分描述了一种通过数字光学成像评估丝状腐蚀的方法。 丝状腐蚀可按照 ISO 4623-1、ISO 4623-2 或 EN 3665 进行生产。 [外文原描述]： ISO 21227-4:2008 describes a method for evaluating filiform corrosion by means of digital optical imaging. Only the evalution procedure is described. The filiform corrosion itself is produced in accordance with other standards.
英文名称Paints and varnishes — Evaluation of defects on coated surfaces using optical imaging — Part 4: Evaluation of filiform corrosion