Plastics - Measurement of resistivity of conductive plastics (ISO 3915:2022)

This document specifies the requirements for the laboratory testing of the resistivity of specially
prepared specimens of plastics rendered conductive by the inclusion of conductive fillers or suitable
modification of the structure. The test is applicable to materials of resistivity less than 106 Ω⋅cm
(104 Ω⋅m).
The result is not strictly a volume resistivity, because of surface conduction, but the effects of the latter
are generally negligible.

Kunststoffe - Messung des spezifischen elektrischen Widerstands von leitfähigen Kunststoffen (ISO 3915:2022)

Dieses Dokument legt die Anforderungen an die Laboratoriumsprüfung des spezifischen Widerstands von besonders vorbereiteten Probekörpern aus Kunststoff fest, die durch den Einschluss von leitfähigen Füllstoffen oder eine geeignete Änderung des Aufbaus leitfähig gemacht wurden. Die Prüfung ist für Werkstoffe mit einem spezifischen Widerstand unter 106 Ω⋅cm (104 Ω⋅m) anwendbar.
Wegen der Oberflächenleitung ist das Ergebnis streng genommen kein spezifischer Durchgangswiderstand, jedoch sind die Auswirkungen der Oberflächenleitung im Allgemeinen vernachlässigbar.

Plastiques - Mesurage de la résistivité des plastiques conducteurs (ISO 3915:2022)

Le présent document spécifie les conditions requises pour l’essai en laboratoire de la résistivité d’éprouvettes de plastique spécialement préparées et rendues conductrices par l’addition de charges conductrices ou modification appropriée de la structure. L’essai est applicable à des matériaux ayant une résistivité inférieure à 106 Ω⋅cm (104 Ω⋅m).
Le résultat n’est pas la résistivité transversale au sens strict, à cause de la conduction de surface, mais les effets de cette dernière sont généralement négligeables.

Polimerni materiali - Merjenje upornosti prevodnih polimernih materialov (ISO 3915:2022)

Ta dokument določa zahteve za laboratorijsko preskušanje upornosti posebej pripravljenih vzorcev polimernih materialov, ki postanejo prevodni z vključitvijo prevodnih polnil ali ustrezno spremembo strukture. Preskus se uporablja za materiale z upornostjo manj kot 106 Ω cm (104 Ω m).
Zaradi površinske prevodnosti rezultat preskusa ni izključno prostorninska upornost, vendar so vplivi takšne prevodnosti
na splošno zanemarljivi.

General Information

Status
Published
Public Enquiry End Date
30-Apr-2021
Publication Date
14-Mar-2022
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
09-Mar-2022
Due Date
14-May-2022
Completion Date
15-Mar-2022

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SLOVENSKI STANDARD
SIST EN ISO 3915:2022
01-maj-2022
Nadomešča:
SIST EN ISO 3915:2000
Polimerni materiali - Merjenje upornosti prevodnih polimernih materialov (ISO
3915:2022)
Plastics - Measurement of resistivity of conductive plastics (ISO 3915:2022)
Kunststoffe - Messung des spezifischen elektrischen Widerstands von leitfähigen
Kunststoffen (ISO 3915:2022)

Plastiques - Mesurage de la résistivité des plastiques conducteurs (ISO 3915:2022)

Ta slovenski standard je istoveten z: EN ISO 3915:2022
ICS:
83.080.01 Polimerni materiali na Plastics in general
splošno
SIST EN ISO 3915:2022 en,fr,de

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

---------------------- Page: 1 ----------------------
SIST EN ISO 3915:2022
---------------------- Page: 2 ----------------------
SIST EN ISO 3915:2022
EN ISO 3915
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2022
EUROPÄISCHE NORM
ICS 83.080.01 Supersedes EN ISO 3915:1999
English Version
Plastics - Measurement of resistivity of conductive plastics
(ISO 3915:2022)

Plastiques - Mesurage de la résistivité des plastiques Kunststoffe - Messung des spezifischen elektrischen

conducteurs (ISO 3915:2022) Widerstands von leitfähigen Kunststoffen (ISO
3915:2022)
This European Standard was approved by CEN on 12 February 2022.

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

© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 3915:2022 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN ISO 3915:2022
EN ISO 3915:2022 (E)
Contents Page

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

---------------------- Page: 4 ----------------------
SIST EN ISO 3915:2022
EN ISO 3915:2022 (E)
European foreword

This document (EN ISO 3915:2022) has been prepared by Technical Committee ISO/TC 61 "Plastics" in

collaboration with Technical Committee CEN/TC 249 “Plastics” the secretariat of which is held by NBN.

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 September 2022, and conflicting national standards

shall be withdrawn at the latest by September 2022.

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 ISO 3915:1999.

Any feedback and questions on this document should be directed to the users’ national standards

body/national committee. A complete listing of these bodies can be found on the CEN website.

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 3915:2022 has been approved by CEN as EN ISO 3915:2022 without any modification.

---------------------- Page: 5 ----------------------
SIST EN ISO 3915:2022
---------------------- Page: 6 ----------------------
SIST EN ISO 3915:2022
INTERNATIONAL ISO
STANDARD 3915
Second edition
2022-02
Plastics — Measurement of resistivity
of conductive plastics
Plastiques — Mesurage de la résistivité des plastiques conducteurs
Reference number
ISO 3915:2022(E)
© ISO 2022
---------------------- Page: 7 ----------------------
SIST EN ISO 3915:2022
ISO 3915:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022

All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
© ISO 2022 – All rights reserved
---------------------- Page: 8 ----------------------
SIST EN ISO 3915:2022
ISO 3915:2022(E)
Contents Page

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

Introduction .................................................................................................................................................................................................................................v

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

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

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

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

5 Apparatus .................................................................................................................................................................................................................... 1

6 Specimen ...................................................................................................................................................................................................................... 3

7 Number of specimens ........................................................................................................................................... ...........................................4

8 Procedure ....................................................................................................................................................................................................................4

9 Expression of results ....................................................................................................................................................................................... 4

10 Test report .................................................................................................................................................................................................................. 5

Bibliography ................................................................................................................................................................................................................................ 6

iii
© ISO 2022 – All rights reserved
---------------------- Page: 9 ----------------------
SIST EN ISO 3915:2022
ISO 3915:2022(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 of 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

www.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 5, Physical-

chemical properties, in collaboration with the European Committee for Standardization (CEN) Technical

Committee CEN/TC 249, Plastics, in accordance with the Agreement on technical cooperation between

ISO and CEN (Vienna Agreement).

This second edition cancels and replaces the first edition (ISO 3915:1981), which has been technically

revised.
The main changes compared to the previous edition are as follows:
— the apparatus specifications have been revised;
— the document has been editorially revised.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www.iso.org/members.html.
© ISO 2022 – All rights reserved
--------
...

SLOVENSKI STANDARD
oSIST prEN ISO 3915:2021
01-april-2021

Polimerni materiali - Merjenje upornosti prevodnih polimernih materialov (ISO/DIS

3915:2021)
Plastics - Measurement of resistivity of conductive plastics (ISO/DIS 3915:2021)
Kunststoffe - Messung des spezifischen elektrischen Widerstandes von leitfähigen
Kunststoffen (ISO/DIS 3915:2021)

Plastiques - Mesurage de la résistivité des plastiques conducteurs (ISO/DIS 3915:2021)

Ta slovenski standard je istoveten z: prEN ISO 3915
ICS:
83.080.01 Polimerni materiali na Plastics in general
splošno
oSIST prEN ISO 3915:2021 en,fr,de

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

---------------------- Page: 1 ----------------------
oSIST prEN ISO 3915:2021
---------------------- Page: 2 ----------------------
oSIST prEN ISO 3915:2021
DRAFT INTERNATIONAL STANDARD
ISO/DIS 3915
ISO/TC 61/SC 5 Secretariat: DIN
Voting begins on: Voting terminates on:
2021-01-07 2021-04-01
Plastics — Measurement of resistivity of conductive
plastics
Plastiques — Mesurage de la résistivité des plastiques conducteurs
ICS: 83.080.01
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 3915:2021(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. ISO 2021
---------------------- Page: 3 ----------------------
oSIST prEN ISO 3915:2021
ISO/DIS 3915:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021

All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved
---------------------- Page: 4 ----------------------
oSIST prEN ISO 3915:2021
ISO/DIS 3915:2021(E)
Contents Page

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

Introduction ..................................................................................................................................................................................................................................v

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

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

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

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

5 Apparatus ..................................................................................................................................................................................................................... 1

6 Specimen ....................................................................................................................................................................................................................... 2

7 Number of specimens ...................................................................................................................................................................................... 2

8 Procedure..................................................................................................................................................................................................................... 2

9 Expression of results ........................................................................................................................................................................................ 3

10 Test report ................................................................................................................................................................................................................... 3

© ISO 2021 – All rights reserved iii
---------------------- Page: 5 ----------------------
oSIST prEN ISO 3915:2021
ISO/DIS 3915:2021(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 of 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 www .iso .org/

iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 5, Physical-

chemical properties.

This second edition cancels and replaces the first edition (ISO 3915:1981), which has been technically

revised.
The main changes compared to the previous edition are as follows:
— the document has been adapted to current requirements given in ISO Directives;
— the apparatus specifications have been revised.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2021 – All rights reserved
---------------------- Page: 6 ----------------------
oSIST prEN ISO 3915:2021
ISO/DIS 3915:2021(E)
Introduction

The method specified in this document is technically similar to that specified for rubber in ISO 1853,

Conducting and antistatic rubbers — Measurement of resistivity.

However, it differs from that method in certain details, especially those associated with the greater

stiffness of the plastic samples, and in particular in the limitation on specimen width. It takes into

account two problems encountered in the measurement of resistivity of conductive plastics, namely

the sensitivity of these materials to their temperature-history and strain-history, and the difficulty of

making adequate electrical contact with them.

The prescribed width of the specimen is mandatory for reference purposes; however, a wider strip may

be used, with correspondingly wider electrodes. There is a danger in using a wide strip, if the strip is

slightly twisted and at the same time somewhat non-uniform in its resistivity. It is then possible to

obtain erroneous results; the potential electrode nearer to the positive current electrode may even be

found to be negative with respect to the other potential electrode.
Effect of temperature changes and strain on conductive plastics

As mentioned above, the resistance of these materials is sensitive to their temperature-history

and strain-history. The relationships are complex and arise from the kinetic
...

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