Norm

NEN-EN-ISO 8781-3:1995 en

Pigmenten en vulstoffen - Dispersiemethode voor de beoordeling van de dispersie-eigenschappen - Deel 3: Beoordeling van de verandering in glans

31,57

Over deze norm

Status Definitief
Aantal pagina's 4
Commissie Verfwaren
Gepubliceerd op 01-04-1995
Taal Engels
The method is of general use for comparing similar pigments, for example a test pigment against an agreed reference pigment. The pgiment 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.

Details

ICS-code 87.060.10
Nederlandse titel Pigmenten en vulstoffen - Dispersiemethode voor de beoordeling van de dispersie-eigenschappen - Deel 3: Beoordeling van de verandering in glans
Engelse titel Pigments and extenders - Methods of assessment of dispersion characteristics - Part 3: Assessment from the change in gloss

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