BS EN ISO 4628-8-2012 涂料和清漆.漆膜降解的评定.缺陷量值、大小以及外观均匀变化程度的规定.评定划痕周围的层离和腐蚀等级
Paints and varnishes. Evaluation of degradation of coatings. Designation of quantity and size of defects, and of intensity of uniform changes in appearance. Assessment of degree of delamination and corrosion around a scribe or other artificial defect