EN ISO 6504-3 : 2007被替代
PAINTS AND VARNISHES - DETERMINATION OF HIDING POWER - PART 3: DETERMINATION OF CONTRAST RATIO OF LIGHT-COLOURED PAINTS AT A FIXED SPREADING RATE
出版：Comite Europeen de Normalisation
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基本信息
标准编号： EN ISO 6504-3 : 2007
标准类别：Standard
出版单位：Comite Europeen de Normalisation
标准页数：0
标准简介
Describes methods for determining the opacity (by contrast ratio measurement) given by paint films of white or light colours of tristimulus value Y greater than 25, applied at a spreading rate of 20 m[2]/l to a black and white chart or to colourless transparent polyester foil.
