Extruded sheets of impact-modified polystyrene (PS-I) - Requirements and test methods (ISO 14631:2021)

This document specifies the requirements and test methods for solid flat extruded sheets of impact-modified polystyrene (PS-I) without fillers and reinforcing materials.
This document applies only to thickness 0,25 mm to 20,0 . It also applies to PS-I sheet in roll form.

Extrudierte Tafeln aus schlagzäh-modifiziertem Polystyrol (PS-I) - Anforderungen und Prüfverfahren (ISO 14631:2021)

Dieses Dokument legt die Anforderungen und Prüfverfahren für massive ebene extrudierte Tafeln aus schlagzäh-modifiziertem Polystyrol (PS-I) ohne Füll- und Verstärkungsstoffe fest.
Dieses Dokument ist nur für Dicken zwischen 0,25 mm bis 20,0 mm anzuwenden. Es ist auch für gerollte PS-I-Tafeln anzuwenden.

Plaques extrudées en polystyrène modifié résistant au choc (PS-I) - Exigences et méthodes d'essai (ISO 14631:2021)

Le présent document spécifie les exigences et les méthodes d’essai pour les plaques extrudées massives et planes en polystyrène modifié résistant au choc (PS-I) sans adjonction de charges ou de renforts.
Le présent document s’applique exclusivement aux plaques de 0,25 mm à 20,0 mm d’épaisseur. Il s’applique également aux plaques de PS-I enroulées sur rouleau.

Ekstrudirane plošče iz modificiranega polistirena, odpornega proti udarcem (PS-I) - Zahteve in preskusne metode (ISO 14631:2021)

General Information

Status
Published
Publication Date
29-Jun-2021
Withdrawal Date
30-Dec-2021
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
30-Jun-2021
Completion Date
30-Jun-2021

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SLOVENSKI STANDARD
SIST EN ISO 14631:2021
01-september-2021
Nadomešča:
SIST EN ISO 14631:2000
Ekstrudirane plošče iz modificiranega polistirena, odpornega proti udarcem (PS-I)
- Zahteve in preskusne metode (ISO 14631:2021)
Extruded sheets of impact-modified polystyrene (PS-I) - Requirements and test methods
(ISO 14631:2021)
Extrudierte Tafeln aus schlagzäh-modifiziertem Polystyrol (PS-I) - Anforderungen und
Prüfverfahren (ISO 14631:2021)
Plaques extrudées en polystyrène modifié résistant au choc (PS-I) - Prescriptions et
méthodes d'essai (ISO 14631:2021)
Ta slovenski standard je istoveten z: EN ISO 14631:2021
ICS:
83.140.10 Filmi in folije Films and sheets
SIST EN ISO 14631:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 14631:2021

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SIST EN ISO 14631:2021


EN ISO 14631
EUROPEAN STANDARD

NORME EUROPÉENNE

June 2021
EUROPÄISCHE NORM
ICS 83.140.10 Supersedes EN ISO 14631:1999
English Version

Extruded sheets of impact-modified polystyrene (PS-I) -
Requirements and test methods (ISO 14631:2021)
Plaques extrudées en polystyrène modifié résistant au Extrudierte Tafeln aus schlagzäh-modifiziertem
choc (PS-I) - Exigences et méthodes d'essai (ISO Polystyrol (PS-I) - Anforderungen und Prüfverfahren
14631:2021) (ISO 14631:2021)
This European Standard was approved by CEN on 10 June 2021.

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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 14631:2021 E
worldwide for CEN national Members.

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SIST EN ISO 14631:2021
EN ISO 14631:2021 (E)
Contents Page
European foreword . 3

2

---------------------- Page: 4 ----------------------
SIST EN ISO 14631:2021
EN ISO 14631:2021 (E)
European foreword
This document (EN ISO 14631:2021) 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 December 2021, and conflicting national standards
shall be withdrawn at the latest by December 2021.
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 14631:1999.
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 14631:2021 has been approved by CEN as EN ISO 14631:2021 without any modification.


3

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SIST EN ISO 14631:2021

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SIST EN ISO 14631:2021
INTERNATIONAL ISO
STANDARD 14631
Second edition
2021-06
Extruded sheets of impact-modified
polystyrene (PS-I) — Requirements
and test methods
Plaques extrudées en polystyrène modifié résistant au choc (PS-I) —
Exigences et méthodes d'essai
Reference number
ISO 14631:2021(E)
©
ISO 2021

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SIST EN ISO 14631:2021
ISO 14631:2021(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: 8 ----------------------
SIST EN ISO 14631:2021
ISO 14631:2021(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Material . 2
5 Requirements . 2
5.1 Appearance . 2
5.2 Dimensional tolerances . 2
5.2.1 Thickness . 2
5.2.2 Length and width . 2
5.2.3 Rectangularity . 3
5.2.4 Bow of sheets in rolled form . 3
5.3 Properties . 3
5.3.1 General. 3
5.3.2 Mechanical and thermal properties . 4
5.3.3 Behaviour after heating . 4
5.3.4 Physiological behaviour . . 5
6 Test methods . 5
6.1 Test specimens . 5
6.1.1 Preparation of test specimens . 5
6.1.2 Conditioning . 5
6.1.3 Testing . 5
6.2 Delivery condition . 5
6.3 Appearance . 5
6.4 Dimensions . 6
6.4.1 Thickness (h) . . 6
6.4.2 Length (l) and width (b) . 6
6.4.3 Rectangularity . 6
6.4.4 Bow of sheets in rolled form . 6
6.5 Density . 6
6.6 Mechanical properties . 6
6.6.1 Tensile stress at yield (σ ) . 6
Y
6.6.2 Nominal tensile strain at break (ε ) . 6
tB
6.6.3 Modulus of elasticity in tension (E ) . 6
t
6.6.4 Charpy impact strength of unnotched specimens (a ) . 7
cU
6.6.5 Charpy impact strength of notched specimens (a ) . 7
cN
6.6.6 Multiaxial impact strength . 7
6.6.7 Ball indentation hardness . 7
6.7 Thermal properties . 7
6.7.1 Vicat softening temperature . 7
6.7.2 Determination of shrinkage after heating. 7
7 Designation . 9
7.1 Example for PS-I-sheets . 9
7.2 Example for PS-I sheets in roll form . 9
8 Marking . 9
Annex A (informative) Additional guide values .10
Bibliography .11
© ISO 2021 – All rights reserved iii

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SIST EN ISO 14631:2021
ISO 14631:2021(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 11, Products,
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 14631:1999), of which it constitutes a
minor revision.
The change compared to the previous edition are as follows:
— references to ISO 2897-1 have been replaced by ISO 19063-1.
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

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SIST EN ISO 14631:2021
INTERNATIONAL STANDARD ISO 14631:2021(E)
Extruded sheets of impact-modified polystyrene (PS-I) —
Requirements and test methods
1 Scope
This document specifies the requirements and test methods for solid flat extruded sheets of impact-
modified polystyrene (PS-I) without fillers and reinforcing materials.
This document applies only to thickness 0,25 mm to 20,0 . It also applies to PS-I sheet in roll form.
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 179-1, Plastics — Determin
...

SLOVENSKI STANDARD
oSIST prEN ISO 14631:2021
01-april-2021
Ekstrudirane plošče iz modificiranega polistirena, odpornega proti udarcem (PS-I)
- Zahteve in preskusne metode (ISO/FDIS 14631:2021)
Extruded sheets of impact-modified polystyrene (PS-I) - Requirements and test methods
(ISO/FDIS 14631:2021)
Extrudierte Tafeln aus schlagzäh-modifiziertem Polystyrol (PS-I) - Anforderungen und
Prüfverfahren (ISO/FDIS 14631:2021)
Plaques extrudées en polystyrène modifié résistant au choc (PS-I) - Prescriptions et
méthodes d'essai (ISO/FDIS 14631:2021)
Ta slovenski standard je istoveten z: prEN ISO 14631
ICS:
83.140.10 Filmi in folije Films and sheets
oSIST prEN ISO 14631:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN ISO 14631:2021

---------------------- Page: 2 ----------------------
oSIST prEN ISO 14631:2021
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 14631
ISO/TC 61/SC 11
Extruded sheets of impact-modified
Secretariat: JISC
polystyrene (PS-I) — Requirements
Voting begins on:
2021­02­15 and test methods
Voting terminates on:
Plaques extrudées en polystyrène modifié résistant au choc (PS-I) —
2021­05­09
Prescriptions et méthodes d'essai
ISO/CEN PARALLEL PROCESSING
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 SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/FDIS 14631:2021(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN­
DARDS TO WHICH REFERENCE MAY BE MADE IN
©
NATIONAL REGULATIONS. ISO 2021

---------------------- Page: 3 ----------------------
oSIST prEN ISO 14631:2021
ISO/FDIS 14631:2021(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
CH­1214 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 14631:2021
ISO/FDIS 14631:2021(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Material . 2
5 Requirements . 2
5.1 Appearance . 2
5.2 Dimensional tolerances . 2
5.2.1 Thickness . 2
5.2.2 Length and width . 2
5.2.3 Rectangularity . 3
5.2.4 Bow of sheets in rolled form . 3
5.3 Properties . 3
5.3.1 General. 3
5.3.2 Mechanical and thermal properties . 4
5.3.3 Behaviour after heating . 4
5.3.4 Physiological behaviour . . 5
6 Test methods . 5
6.1 Test specimens . 5
6.1.1 Preparation of test specimens . 5
6.1.2 Conditioning . 5
6.1.3 Testing . 5
6.2 Delivery condition . 5
6.3 Appearance . 5
6.4 Dimensions . 6
6.4.1 Thickness (h) . 6
6.4.2 Length (l) and width (b) . . 6
6.4.3 Rectangularity . 6
6.4.4 Bow of sheets in rolled form . 6
6.5 Density . 6
6.6 Mechanical properties . 6
6.6.1 Tensile stress at yield (σ ) . 6
Y
6.6.2 Nominal tensile strain at break (ε ) . 6
tB
6.6.3 Modulus of elasticity in tension (E ) . 6
t
6.6.4 Charpy impact strength of unnotched specimens (a ) . 7
cU
6.6.5 Charpy impact strength of notched specimens (a ) . 7
cN
6.6.6 Multiaxial impact strength . 7
6.6.7 Ball indentation hardness . 7
6.7 Thermal properties . 7
6.7.1 Vicat softening temperature . 7
6.7.2 Determination of shrinkage after heating. 7
7 Designation . 9
7.1 Example for PS-I-sheets . 9
7.2 Example for PS-I sheets in roll form . 9
8 Marking . 9
Annex A (informative) Additional guide values .10
Bibliography .11
© ISO 2021 – All rights reserved iii

---------------------- Page: 5 ----------------------
oSIST prEN ISO 14631:2021
ISO/FDIS 14631:2021(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 non­governmental, 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 11, Products,
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 14631:1999) of which it constitutes a
minor revision.
The change compared to the previous edition are as follows:
— references to ISO 2897-1 have been replaced by ISO 19063-1.
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 14631:2021
FINAL DRAFT INTERNATIONAL STANDARD ISO/FDIS 14631:2021(E)
Extruded sheets of impact-modified polystyrene (PS-I) —
Requirements and test methods
1 Scope
This document specifies the requirements and test methods for solid flat extruded sheets of impact-
modified polystyrene (PS-I) without fillers and reinforcing materials.
This document applies only to thickness 0,25 mm to 20,0 . It also applies to PS-I sheet in roll form.
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 179­1, Plastics — Determination of Charpy impact properties — Part 2: Instrumented impact test
ISO 291, Plastics — Standard atmospheres for conditioning and testing
ISO 306, Plastics — Thermoplastic materials — Determination of Vicat softening temperature (VST)
ISO 527­1, Plastics — Determination of tensile properties — Part 1: General principles
ISO 527­2, Plastics — Determination of tensile properties — Part 2: Test conditions for moulding and
extrusion plastics
ISO 1183­1, Plastics — Methods for determining the density of non-cellular plastics — Part 1: Immersion
method, liquid pycnometer method and titration method
ISO 1183­2, Plastics — Methods for determining the density of non-cellular plastics — Part 2: Density
gradient column method
ISO 2039­1, Plastics — Determination of hardness — Part 1: Ball indentation method
ISO 2818, Plastics — Preparation of test specimens by machining
ISO 6603­1, Plastics — Determination of multiaxial impact behaviour of rigid plastics — Part 1: Falling
dart method
ISO 1043­1, Plastics — Symbols and abbreviated terms — Part 1: Basic polymers and their special
characteristics
ISO 11501, Plastics — Film and sheeting — Determination of dimensional change on heating
ISO 19063­1, Plastics — Impact-resistant polystyrene (PS-I) moulding and extrusion materials — Part 1:
Designation system and basis for specifications
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
© ISO 2021 – All rights res
...

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