This International Standard is one of a series of standards dealing with the sampling and testing of paints,varmishes and related products.
It 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 eithernatural daylight or artificial light sources in a standard booth.
It is not applicable to coatings containing special-effect pigments, e.g.metallics, without previous agreement on all details of illuminating and viewing conditions.
BS 3900-D1:1998 history
1998BS 3900-D1:1998 Methods of test for paints. Visual comparison of the colour of paints