Abstract Preview

The method is of general use for comparing similar pigments, for example a test pigment against an agreed reference pigment. The pigment is dispersed in stages under specified conditions in an agreed binder system. After each stage, a portion of the mill base is taken and made into a composition that is applied to a substrate and dried or stoved. The specular gloss of each dried film is determined as described in ISO 2813. The gloss values are plotted graphically as a function of the dispersion stage (expressed for example as time, number of revolutions of a muller). From the graph, the dispersion work necessary to obtain an agreed specular reflection value is determined.


General information

  • Status :  Published
    Publication date : 1990-11
  • Edition : 1
    Number of pages : 4
  • :
    ISO/TC 256
    Pigments, dyestuffs and extenders
  • 87.060.10
    Pigments and extenders

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Revisions / Corrigenda

  • Now confirmed
    ISO 8781-3:1990

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