PREN 13523-22 : DRAFT 2015被替代
COIL COATED METALS - TEST METHODS - PART 22: COLOUR DIFFERENCE - VISUAL COMPARISON
出版：Comite Europeen de Normalisation
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基本信息
标准编号： PREN 13523-22 : DRAFT 2015
标准类别：Draft
出版单位：Comite Europeen de Normalisation
标准页数：0
标准简介
Defines the procedure for determining the difference in the colour of an organic coating on a metallic substr ate by visual comparison against a standard using either diffuse natural daylight or artificial daylight in a standard booth.
