DIN EN ISO 4628-4-2016 色漆和清漆.漆膜降解的评定.缺陷量值、大小以及外观均匀改变程度的规定.第4部分:裂纹等级的评定(ISO 4628-4-2016).德文版本EN ISO 4628-4-2016
Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 4: Assessment of degree of cracking (ISO 4628-4:2016); German version EN ISO 4628-4:2016