This Part of this Kenya Standard specifies a method to be used for determining the opacity (by contrast ratio measurement) given by paint films of white or light colours of reflectance value greater than 25 per cent, applied at a spreading rate of 20 m2/l to an agreed black and white substrate.
KS 03-161 Pt.9-1985 history
1985KS 03-161 Pt.9-1985 KENYA STANDARD METHODS OF TEST FOR PAINTS, VARNISHES, LACQUERS AND ENAMELS