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BS EN ISO 23900-1:2018

BS EN ISO 23900-1:2018

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Current

The latest, up-to-date edition.

Pigments and extenders. Methods of dispersion and assessment of dispersibility in plastics General introduction

Published date

30-04-2018

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Methods of dispersion and methods of assessment
5 Procedures
6 Precision

Gives an introduction to the various parts of ISO 23900 which describe methods for dispersing pigments and extenders in plastics materials in order to determine their dispersion characteristics and colouristic properties.

This part of ISO23900 provides an introduction to the various parts of ISO23900 which describe methods for dispersing pigments and extenders in plastics materials in order to determine their dispersion characteristics and colouristic properties.

Methods of assessing dispersion characteristics are described in the subsequent parts of ISO23900.

The various procedures described permit comparison to be made between similar pigments (for example between a test sample and an agreed reference pigment). The results provide an indication of relative dispersibility under practical conditions of use, provided that the test procedure and plastics material selected are appropriate.

Committee
W/-
DevelopmentNote
Supersedes BS EN 13900-1. (04/2018) Supersedes 14/30299373 DC. Renumbers and supersedes BS ISO 23900-1. 2018 version incorporates corrigendum to BS ISO 23900-1. (05/2018)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 23900-1:2015 Identical
EN ISO 23900-1:2018 Identical

ISO 23900-6:2015 Pigments and extenders Methods of dispersion and assessment of dispersibility in plastics Part 6: Determination by film test
ISO 23900-4:2015 Pigments and extenders Methods of dispersion and assessment of dispersibility in plastics Part 4: Determination of colouristic properties and ease of dispersion of white pigments in polyethylene by two-roll milling
ISO 23900-2:2015 Pigments and extenders Methods of dispersion and assessment of dispersibility in plastics Part 2: Determination of colouristic properties and ease of dispersion in plasticized polyvinyl chloride by two-roll milling
ISO 23900-3:2015 Pigments and extenders Methods of dispersion and assessment of dispersibility in plastics Part 3: Determination of colouristic properties and ease of dispersion of black and colour pigments in polyethylene by two-roll milling
ISO 23900-5:2015 Pigments and extenders Methods of dispersion and assessment of dispersibility in plastics Part 5: Determination by filter pressure value test

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