DS DS/EN ISO 2814
DS DSEN SO 2814 2006-MAR-03 Pants and varnshes - Comparson of contrast rato hdng power of pants of the same type and colour
DS DSEN SO 2814 2006-MAR-03 Pants and varnshes - Comparson of contrast rato hdng power of pants of the same type and colour
The standard specifies 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%, dried at normal air temperatures and applied at approximately equal wet film thickness to black and white substrates.