BS EN ISO 3668:2020

Paints and varnishes. Visual comparison of colour of paints. | Status: Current

1 Scope This document specifies a method for the visual comparison of the colour of films of paints or related products against a standard (either a reference standard or a freshly prepared standard) using artificial light sources in a standard booth. It is not applicable to coatings containing special-effect pigments, e.g. metallic, without previous agreement on all details of illuminating and viewing conditions