NS EN ISO 4628-7 Ed. 1
NS EN ISO 4628-7 Ed. 1 标准详情
- 标准号：NS EN ISO 4628-7 Ed. 1
- 中文标题：
- 英文标题：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
- 标准类别：挪威标准NS
- 发布日期：
内容简介
Provides a method suitable, in particular, for rating the degree of chalking on white or coloured exterior coatings.
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