Paints and varnishes - Wettability - Part 4: Determination of the polar and dispersive fractions of the surface tension of liquids from an interfacial tension (ISO 19403-4:2017)

The standard series IS ISO 19403 specifies optical test methods
— for the measurement of the contact angle,
— for the determination of the free surface energy of a solid surface including the polar and dispersive fractions,
— for the determination of the surface tension of liquids including the polar and dispersive fractions,
— for the checking of the measurement arrangement with reference materials.
It can be applied for the characterization of substrates, coatings, and coating materials.
Part 4 of the standard specifies a test method to determine the polar and dispersive fraction of the surface tension of liquids with optical methods. The method can be applied for the characterization of liquid coating materials, especially when drying effects occur during measurement.

Beschichtungsstoffe - Benetzbarkeit - Teil 4: Bestimmung des polaren und dispersen Anteils der Oberflächenspannung von Flüssigkeiten aus einer Grenzflchenspannung (ISO 19403-4:2017)

Peintures et vernis - Mouillabilité - Partie 4: Détermination des fractions polaires et disperses de la tension de surface des liquides à partir de la tension interfaciable (ISO 19403-4:2017)

Le présent document spécifie une méthode d'essai permettant de déterminer les fractions polaire et dispersive de la tension superficielle des liquides à l'aide de méthodes optiques. Cette méthode peut être utilisée pour la caractérisation des produits de peinture liquides, en particulier lorsque des effets de séchage se produisent durant le mesurage. Son applicabilité peut être limitée pour les produits liquides de rhéologie non newtonienne[1].
Le présent document présuppose que les informations relatives à la tension superficielle du liquide à soumettre à essai, ainsi que d'au moins un liquide de référence approprié, sont connues.
[1] Ce terme est défini dans la norme DIN 1342-1.

Barve in laki - Omočljivost - 4. del: Določevanje polarnega in disperznega dela površinske napetosti tekočin prek medfazne napetosti (ISO 19403-4:2017)

General Information

Status
Published
Public Enquiry End Date
01-Aug-2019
Publication Date
09-Mar-2020
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
11-Feb-2020
Due Date
17-Apr-2020
Completion Date
10-Mar-2020

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SLOVENSKI STANDARD
SIST EN ISO 19403-4:2020
01-april-2020
Barve in laki - Omočljivost - 4. del: Določevanje polarnega in disperznega dela
površinske napetosti tekočin prek medfazne napetosti (ISO 19403-4:2017)

Paints and varnishes - Wettability - Part 4: Determination of the polar and dispersive

fractions of the surface tension of liquids from an interfacial tension (ISO 19403-4:2017)

Beschichtungsstoffe - Benetzbarkeit - Teil 4: Bestimmung des polaren und dispersen

Anteils der Oberflächenspannung von Flüssigkeiten aus einer Grenzflchenspannung
(ISO 19403-4:2017)

Peintures et vernis - Mouillabilité - Partie 4: Détermination des fractions polaires et

disperses de la tension de surface des liquides à partir de la tension interfaciable (ISO

19403-4:2017)
Ta slovenski standard je istoveten z: EN ISO 19403-4:2020
ICS:
87.040 Barve in laki Paints and varnishes
SIST EN ISO 19403-4:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 19403-4:2020
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SIST EN ISO 19403-4:2020
EN ISO 19403-4
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2020
EUROPÄISCHE NORM
ICS 01.040.87
English Version
Paints and varnishes - Wettability - Part 4: Determination
of the polar and dispersive fractions of the surface tension
of liquids from an interfacial tension (ISO 19403-4:2017)

Peintures et vernis - Mouillabilité - Partie 4: Beschichtungsstoffe - Benetzbarkeit - Teil 4:

Détermination des fractions polaires et disperses de la Bestimmung des polaren und dispersen Anteils der

tension de surface des liquides à partir de la tension Oberflächenspannung von Flüssigkeiten aus einer

interfaciable (ISO 19403-4:2017) Grenzflächenspannung (ISO 19403-4:2017)
This European Standard was approved by CEN on 4 November 2019.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, 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

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 19403-4:2020 E

worldwide for CEN national Members.
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SIST EN ISO 19403-4:2020
EN ISO 19403-4:2020 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 19403-4:2020
EN ISO 19403-4:2020 (E)
European foreword

The text of ISO 19403-4:2017 has been prepared by Technical Committee ISO/TC 35 "Paints and

varnishes” of the International Organization for Standardization (ISO) and has been taken over as

EN ISO 19403-4:2020 by Technical Committee CEN/TC 139 “Paints and varnishes” 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 August 2020, and conflicting national standards shall

be withdrawn at the latest by August 2020.

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.

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, France, Germany, Greece, Hungary, Iceland,

Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

United Kingdom.
Endorsement notice

The text of ISO 19403-4:2017 has been approved by CEN as EN ISO 19403-4:2020 without any

modification.
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SIST EN ISO 19403-4:2020
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SIST EN ISO 19403-4:2020
INTERNATIONAL ISO
STANDARD 19403-4
First edition
2017-06
Paints and varnishes — Wettability —
Part 4:
Determination of the polar and
dispersive fractions of the surface
tension of liquids from an interfacial
tension
Peintures et vernis — Mouillabilité —
Partie 4: Détermination des fractions polaires et disperses de la
tension de surface des liquides à partir de la tension interfaciable
Reference number
ISO 19403-4:2017(E)
ISO 2017
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SIST EN ISO 19403-4:2020
ISO 19403-4:2017(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2017, Published in Switzerland

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
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2017 – All rights reserved
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SIST EN ISO 19403-4:2020
ISO 19403-4:2017(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Principle ........................................................................................................................................................................................................................ 1

5 Apparatus and materials.............................................................................................................................................................................. 2

6 Sampling ........................................................................................................................................................................................................................ 4

7 Procedure..................................................................................................................................................................................................................... 4

7.1 General ........................................................................................................................................................................................................... 4

7.1.1 Setting up the drop contour analysis device ............................................................................................ 4

7.1.2 Test conditions................................................................................................................................................................... 4

7.1.3 Cleaning and conditioning of the reference liquid.............................................................................. 4

7.2 Determination of the interfacial tension of the liquid .......................................................................................... 5

7.2.1 Preparations ........................................................................................................................................................................ 5

7.2.2 Procedure ............................................................................................................................................................................... 5

7.3 Determination of the surface tension of liquids ......................................................................................................... 6

8 Evaluation .................................................................................................................................................................................................................... 6

8.1 General ........................................................................................................................................................................................................... 6

8.2 Calculation of the dispersive fraction of the surface tension in accordance

with Owens-Wendt-Rabel-Kaelble ......................................................................................................................................... 6

8.3 Calculation of the dispersive fraction of the surface tension in accordance with Wu ............... 6

8.4 Calculation of the polar fraction of the surface tension of the liquid ....................................................... 7

9 Precision ....................................................................................................................................................................................................................... 7

10 Test report ................................................................................................................................................................................................................... 7

Bibliography ................................................................................................................................................................................................................................ 8

© ISO 2017 – All rights reserved iii
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SIST EN ISO 19403-4:2020
ISO 19403-4:2017(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO’s adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following

URL: w w w . i s o .org/ iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 35, Paints and varnishes, Subcommittee

SC 9, General test methods for paints and varnishes.
A list of all parts in the ISO 19403 series can be found on the ISO website.
iv © ISO 2017 – All rights reserved
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SIST EN ISO 19403-4:2020
INTERNATIONAL STANDARD ISO 19403-4:2017(E)
Paints and varnishes — Wettability —
Part 4:
Determination of the polar and dispersive fractions of the
surface tension of liquids from an interfacial tension
1 Scope

This document specifies a test method to determine the polar and dispersive fraction of the surface

tension of liquids with optical methods. The method can be applied for the characterization of liquid

coating materials, especially when drying effects occur during measurement. The applicability can be

restricted for liquids with non-Newtonian rheology .

This document assumes that the information of surface tension of the liquid to be tested, as well as at

least one suitable reference liquid, is known.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 1409, Plastics/rubber — Polymer dispersions and rubber latices (natural and synthetic) —

Determination of surface tension by the ring method
ISO 4618, Paints and varnishes — Terms and definitions

ISO 15528, Paints, varnishes and raw materials for paints and varnishes — Sampling

ISO 19403-1, Paints and varnishes — Wettability — Pa
...

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