Paints and varnishes. Visual comparison of colour of paints Ingestion-build-79769 BS 4655 on the determination

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Paints and varnishes. Visual comparison of colour of paints Ingestion-build-79769 BS 4655 on the determination1 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