BS 3900-D4(2006) : 2006現行
PAINTS AND VARNISHES - COMPARISON OF CONTRAST RATIO (HIDING POWER) OF PAINTS OF THE SAME TYPE AND COLOUR
出版：British Standards Institution
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基本信息
標準編號： BS 3900-D4(2006) : 2006
標準類別：Standard
出版單位：British Standards Institution
標準頁數：0
標準簡介
States the standard method to be used in comparing the contrast ratios given by paint films of white or light colours, of reflectance factor greater than 40 percent, dried at normal air temperatures and applied at approximately equal wet film thickness to black and white substrates.
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