
Testing methods for paints Part 8: Evaluation of degradation of paint coatings - Section 6: Rating of degree of chalking
出版:Japanese Standards Association

专家解读视频
This part of the Standard provides pictorial reference standards for designating the degree of chalking of paint coatings. It also describes a method by which the degree of chalking is rated. In using this method, it is essential that care be taken to distinguish between true degradation products and adhering dirt, particularly when chalking is slight.
ISO 4628-6:2007 - Identical