美利体育登录入口官网:EN ISO 4628-4:2016
色漆和清漆.涂层降解的评价.设计缺陷数量和大小,以及外观统一变化强度.第4部分:裂度评估(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)