EN ISO 4628-7:2003
色漆和清漆.漆膜降解的評定.缺陷的量值和大小以及外觀均勻變化強度的規定.第7部分:用絲絨法評定粉化等級 ISO 4628-7-2003
Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 7: Assessment of degree of chalking by velvet method ISO 4628-7:2003