Testing methods for paints -- Part 8: Evaluation of degradation of coatings -- Designation of quantity and size of defects, and of intensity of uniform changes in appearance -- Section 1: General principles and rating schemes
涂料试验方法第8部分:涂层降解的评估缺陷数量和大小以及外观均匀变化强度的指定第1节:一般原则和评级方案