EN ISO 23900-4:2018

SLOVENSKI STANDARD
01-november-2018
1DGRPHãþD
SIST EN 13900-4:2004
3LJPHQWLLQSROQLOD0HWRGHGLVSHUJLUDQMDLQRFHQMHYDQMHGLVSHU]LELOQRVWLY
SROLPHUQLKPDWHULDOLKGHO'RORþHYDQMHEDUYQLKODVWQRVWLLQGLVSHUJLUDQMDEHOLK
SLJPHQWRYYSROLHWLOHQX]YDOMDQMHP]GYHPDYDOMþNRPD,62
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 23900-4:2015)
Pigmente und Füllstoffe - Dispergierverfahren und Beurteilung der Dispergierbarkeit in
Kunststoffen - Teil 4: Bestimmung der koloristischen Eigenschaften und der
Dispergierhärte von Weißpigmenten in Polyethylen im Walztest (ISO 23900-4:2015)
Pigments et matières de charge - Méthodes de dispersion et évaluation de l'aptitude à la
dispersion dans les plastiques - Partie 4: Détermination des propriétés colorimétriques et
de la facilité de dispersion des pigments blancs dans le polyéthylène par calandrage sur
bicylindre (ISO 23900-4:2015)
Ta slovenski standard je istoveten z: EN ISO 23900-4:2018
ICS:
83.080.01 Polimerni materiali na Plastics in general
splošno
87.060.10 Pigmenti in polnila Pigments and extenders
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 23900-4
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2018
EUROPÄISCHE NORM
ICS 87.060.10 Supersedes EN 13900-4:2004
English Version
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 23900-4:2015)
Pigments et matières de charge - Méthodes de Pigmente und Füllstoffe - Dispergierverfahren und
dispersion et évaluation de l'aptitude à la dispersion Beurteilung der Dispergierbarkeit in Kunststoffen -
dans les plastiques - Partie 4: Détermination des Teil 4: Bestimmung der koloristischen Eigenschaften
propriétés colorimétriques et de la facilité de und der Dispergierhärte von Weißpigmenten in
dispersion des pigments blancs dans le polyéthylène Polyethylen im Walztest (ISO 23900-4:2015)
par calandrage sur bicylindre (ISO 23900-4:2015)
This European Standard was approved by CEN on 18 August 2018.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 23900-4:2018 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
The text of ISO 23900-4:2015 has been prepared by Technical Committee ISO/TC 256 "Pigments,
dyestuffs and extenders” of the International Organization for Standardization (ISO) and has been taken
over as EN ISO 23900-4:2018 by Technical Committee CEN/TC 298 “Pigments and extenders” the
secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by March 2019, and conflicting national standards shall
be withdrawn at the latest by March 2019.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 13900-4:2004.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 23900-4:2015 has been approved by CEN as EN ISO 23900-4:2018 without any
modification.
INTERNATIONAL ISO
STANDARD 23900-4
First edition
2015-05-01
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
Pigments et matières de charge — Méthodes de dispersion et
évaluation de l’aptitude à la dispersion dans les plastiques —
Partie 4: Détermination des propriétés colorimétriques et de la
facilité de dispersion des pigments blancs dans le polyéthylène par
calandrage sur bicylindre
Reference number
ISO 23900-4:2015(E)
©
ISO 2015
ISO 23900-4:2015(E)
© ISO 2015
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2015 – All rights reserved

ISO 23900-4:2015(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Materials . 2
5.1 Polyethylene . 2
5.2 Carbon black polyethylene masterbatch . 2
6 Apparatus . 2
7 Sampling . 2
8 Procedure. 2
8.1 Testing of colouristic properties in polyethylene in admixture with carbon black . 2
8.1.1 Preparation of the mixture . 2
8.1.2 Preparation of the test sample . 3
8.1.3 Pressing . 3
8.1.4 Photometric measurement . 3
8.2 Testing of ease of dispersion . 3
8.2.1 Preparation of the test samples . 3
8.2.2 Pressing and photometric measurement . 3
9 Evaluation . 3
10 Test report . 4
11 Precision .
...