DIN EN ISO 4628-1-2004 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1部分:一般说明和名称与符号系统
Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 1: General introduction and designation system (ISO 4628-1:2003); German version EN ISO 46
The document defines the system for designating the quantity and size of defects and the intensity of changes of coatings and outlies the general principles of the system used thruoghout ISO 4628. This system is intended to be used, in particular, for defects caused by ageing and weathering, and for uniform changes such as colour changes, for example yellowing.