DIN EN ISO 4628-2-2004 色漆和清漆.漆膜降解的评定.缺陷量值、大小以及外观均匀改变程度的规定.第2部分:起泡等级的评定
Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 2: Assessment of degree of blistering (ISO 4628-2:2003); German version EN ISO 4628-2:2003
The document specifies a method for assessing the degree of blistering of coatings by comparison with pictorial standards. The pictorial standards provided in this part of ISO 4628 illustrate blisters in the sizes 2,3, 4 and 5, and each size in the quantities (densities) 2,3, 4 and 5.#,,#