美利体育登录入口官网:KS M ISO 4628-5-2022 色漆和清漆 涂层降解的评价 缺陷数量和尺寸以及外观均匀变化强度的指定 第5部分:剥落程度的评估
Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 5: Assessment of degree of flaking