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Paint and Coatings Industry Standards
ISO 8781-1:1990 ISO 8781-1:1990 Pigments and extenders -- Methods of assessment of dispersion characteristics -- Part 1: Assessment from the change in tinting strength of coloured pigments
Relates to coloured pigments which have been dispersed by one of the methods described in ISO 8780. The method is of general use for comparing similar pigments, for example a test pigment against an agreed reference pigment. The principle consists in dispersing the pigment in stages under specified conditions in an agreed binder system.
