This standard is one of a series of standards dealing with the sampling and testing of paints, varnishes and related products. It specifies a method for the visual comparison of the colour of films of paints or related products against a standard using either natural daylight or artificial light sources in a standard booth.
DS/EN ISO 3668:2001 history
2001DS/EN ISO 3668:2001 Paints and varnishes - Visual comparison of the colour of paints