International Standard
ISO 8781-2:1990
Pigments and extenders — Methods of assessment of dispersion characteristics — Part 2: Assessment from the change in fineness of grind
Reference number
ISO 8781-2:1990
ISO 8781-2:1990
Edición 1
1990-11
1990-11
© ISO 2024
International Standard
p
ISO 8781-2:1990
16202
No disponible en español
Publicado
(Edición 1, 1990)
Esta norma se revisó y confirmó por última vez en 2023.
Por lo tanto, esta versión es la actual.
Resumen
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 its fineness of grind is determined as described in ISO 1524. The fineness-of-grind values are plotted graphically as a function of the dispersion work done (expressed as time, number of revolutions, etc.). From the graph, the work necessary to obtain an agreed fineness of grind is determined.
Informaciones generales
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Estado: PublicadoFecha de publicación: 1990-11Etapa: Norma Internacional confirmada [90.93]
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Edición: 1Número de páginas: 3
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Comité Técnico :ISO/TC 256ICS :87.060.10
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