SIS SS 18 42 04-1985 油漆和清漆.油漆涂料的降解评估.常见类型缺陷的强度,质量和大小的指定.第4部分:开裂程度的指定
Paints and varnishes - Evaluation of degradation of paint coatings - Des- ignation of intensity, quatity and size of common types of defect - Part 4: Designation of degree of cracking