美利体育登录入口官网:KS M ISO 4628-5:2012
涂料和清漆.漆膜降解的评定.缺陷量值、大小和外观均匀改变程度的规定.第5部分:剥落等级的评定
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