DIN EN ISO 2814-2006 色漆和清漆.相同类型和颜色的涂料的对比率(遮盖率)的比对(ISO 2814-1973)
Paints and varnishes - Comparison of contrast ratio (hiding power) of paints of the same type and colour (ISO 2814:1973); English version of DIN EN ISO 2814:2006-04
The standard specifies a method being used in comparing the contrast ratios given by paint films of white or light colours, of reflectance factor greater than 40 %, dried at normal temperatures and applied at approximately equal wet film thicknesses to black and white substrates.