标题: ISO 4628-7-2003 [打印本页] 作者: wangchun1939 时间: 2013-9-4 11:05:23 标题: ISO 4628-7-2003
ISO 4628-7-2003 Paints and varnishes — Evaluation ofdegradation 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