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
專家解讀視頻
基本信息
標準編號： PREN 13523-22 : DRAFT 2015
標準類別：Draft
出版單位：Comite Europeen de Normalisation
標準頁數：0
標準簡介
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.
