标准编号：ISO 4628-8:2012
中文名称：色漆和清漆 漆膜降解的评定 缺陷数量、大小以及外观均匀变化程度的规定 第8部分：评估划痕或其它人为缺陷周围的层离和腐蚀度
英文名称：Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 8: Assessment of degree of delamina
发布日期：2012-11
标准范围
This part of ISO 4628 specifies a method for assessing delamination and corrosion around a scribe or other artificial defect on a coated panel or other coated test specimen, caused by a corrosive environment.This part of ISO 4628 does not cover evaluation of pitting corrosion or pit depth.NOTE 1 Examples of corrosive environments are artificial atmospheres such as salt spray, as used in the test method specified in ISO 9227,[7] and sea water immersion as used in the test method specified in ISO 15711.[8] Natural environments can also be used.NOTE 2 The extent of other defects can also be determined at the same time as delamination and corrosion. Methods are given as follows:— blistering in accordance with ISO 4628-2;[2]— rusting in accordance with ISO 4628-3;[3]— cracking in accordance with ISO 4628-4;[4]— flaking in accordance with ISO 4628-5;[5]— filiform corrosion in accordance with ISO 4628-10.[6]
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