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EN ISO 8781-2:1995

Current

Current

The latest, up-to-date edition.

Pigments and extenders - Methods of assessment of dispersion characteristics - Part 2: Assessment from the change in fineness of grind (ISO 8781-2:1990)

Published date

21-03-1995

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Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Required supplementary information
5 Apparatus
6 Procedure
7 Expression of results
8 Test report
Annex A (normative) Required supplementary information
Annex ZA (normative) Normative references to international
         publications with their relevant European
         publications

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.

Committee
CEN/TC 298
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

BS EN ISO 8780-1:1995 Pigments and extenders. Methods of dispersion for assessment of dispersion characteristics Introduction
BS EN ISO 8780-2:1995 Pigments and extenders. Methods of dispersion for assessment of dispersion characteristics Dispersion using an oscillatory shaking machine
BS EN ISO 8780-5:1995 Pigments and extenders. Methods of dispersion for assessment of dispersion characteristics Dispersion using an automatic muller
ISO 8780-1:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 1: Introduction
BS EN ISO 8780-3:1995 Pigments and extenders. Methods of dispersion for assessment of dispersion characteristics Dispersion using a high speed impeller mill
BS EN ISO 8780-4:1995 Pigments and extenders. Methods of dispersion for assessment of dispersion characteristics Dispersion using a bead mill
ISO 8780-3:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 3: Dispersion using a high-speed impeller mill
ISO 8780-6:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 6: Dispersion using a triple-roll mill
ISO 8780-5:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 5: Dispersion using an automatic muller
ISO 8780-2:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 2: Dispersion using an oscillatory shaking machine
ISO 8780-4:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 4: Dispersion using a bead mill
EN ISO 8780-5:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 5: Dispersion using an automatic muller (ISO 8780-5:1990)
EN ISO 8780-1:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 1: Introduction (ISO 8780-1:1990)
EN ISO 8780-3:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 3: Dispersion using a high-speed impeller mill (ISO 8780-3:1990)
EN ISO 8780-4:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 4: Dispersion using a bead mill (ISO 8780-4:1990)
EN ISO 8780-6:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 6: Dispersion using a triple-roll mill (ISO 8780-6:1990)
EN ISO 8780-2:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 2: Dispersion using an oscillatory shaking machine (ISO 8780-2:1990)
BS EN ISO 8780-6:1995 Pigments and extenders. Methods of dispersion for assessment of dispersion characteristics Dispersion using a triple-roll mill

ISO 8780-1:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 1: Introduction
ISO 8780-5:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 5: Dispersion using an automatic muller
ISO 8780-6:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 6: Dispersion using a triple-roll mill
EN ISO 8780-6:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 6: Dispersion using a triple-roll mill (ISO 8780-6:1990)
EN ISO 8780-1:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 1: Introduction (ISO 8780-1:1990)
EN 21524 : 1991 PAINTS AND VARNISHES - DETERMINATION OF FINENESS OF GRIND
EN ISO 8780-4:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 4: Dispersion using a bead mill (ISO 8780-4:1990)
EN ISO 8780-2:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 2: Dispersion using an oscillatory shaking machine (ISO 8780-2:1990)
ISO 8780-4:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 4: Dispersion using a bead mill
ISO 1524:2013 Paints, varnishes and printing inks Determination of fineness of grind
EN ISO 8780-5:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 5: Dispersion using an automatic muller (ISO 8780-5:1990)
EN ISO 8780-3:1995 Pigments and extenders - Methods of dispersion for assessment of dispersion characteristics - Part 3: Dispersion using a high-speed impeller mill (ISO 8780-3:1990)
ISO 8780-2:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 2: Dispersion using an oscillatory shaking machine
ISO 8780-3:1990 Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 3: Dispersion using a high-speed impeller mill

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