Standard

ISO 8781-1:1990

Nov 1990 Current

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Abstract

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. After each dispersion stage, a portion of the mill base is taken and mixed separately with a white pigment to form a reduced paste. The tinting strength of each reduced paste is determined as described in ISO 787-24. The percentage increase in tinting strength between two dispersion stages is calculated in order to assess the ease of dispersibility of the pigment.

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Standard from ISO
Published: November 15 1990
Edition: 1
Document type: IS
Pages
ISBN:

Publisher: ISO
Distributor: ISO
ICS: 87.060.10
International TC: ISO/TC 256

Product Relations

Adopted by: NF EN ISO 8781-1:1995
Adopted by: SN EN ISO 8781-1:1995

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Abstract

Products specifications

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