GB/T 30789.5-2015

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

色漆和清漆 涂层老化的评价 缺陷的数量和大小以及外观均匀变化程度的标识 第5部分：剥落等级的评定