BS 3900-D4:2006现行
Paints And Varnishes - Comparison Of Contrast Ratio (hiding Power) Of Paints Of The Same Type And Colour
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 3900-D4:2006
发布时间：2007/1/31 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
States the standard method to be used in comparingthe contrast ratios given by paint films of white or lightcolours, of reflectance factor greater than 40 percent,dried at normal air temperatures and applied atapproximately equal wet film thickness to black and whitesubstrates.
标准备注
© British Standards Institution 2013
Also numbered as BS EN ISO 2814.
Supersedes BS 3900-D4(1974).
(01/2007)
