SIST EN ISO 22088-3:2006
(Main)Plastics - Determination of resistance to environmental stress cracking (ESC) - Part 3: Bent strip method (ISO 22088-3:2006)
Plastics - Determination of resistance to environmental stress cracking (ESC) - Part 3: Bent strip method (ISO 22088-3:2006)
This part of ISO 22088 specifies a method for the determination of the environmental stress cracking (ESC) resistance of thermoplastics when they are subjected to a fixed flexural strain in the presence of chemical agents. ESC is indicated by the change of a suitably chosen indicative property of specimens that have been strained for a defined time in the environment. The method of test is suitable for determining the resistance of sheets and of flat test specimens, especially the sensitivity of localized surface regions of specimens, to ESC. The bent strip method is suitable for the determination of ESC caused by gases and liquids as well as solids containing migrating substances (e.g. polymeric adhesives and materials containing plasticizers) in contact with a specific polymer. Preferably, this method is used to determine the ESC resistance of rigid plastics that exhibit only moderate stress relaxation during the time of the test. This is essentially a ranking test and is not intended to provide data to be used for design or performance prediction.
Kunststoffe - Bestimmung der Beständigkeit gegen umgebungsbedingte Spannungsrissbildung (ESC) - Teil 3: Biegestreifenverfahren (ISO 22088-3:2006)
Dieser Teil von ISO 22088 legt ein Verfahren zur Bestimmung der Beständigkeit gegen umgebungsbedingte Spannungsrissbildung (ESC) von thermoplastischen Kunststoffen fest, wobei sie in Gegenwart von chemisch wirksamen Medien einer konstanten Biegezugdehnung unterworfen werden.
Die ESC wird dabei durch die Änderung einer als geeignet ausgewählten hervorstechenden Eigenschaft von Probekörpern angezeigt, die über eine festgelegte Zeitdauer in der chemischen Umgebung gedehnt wurden. Das Prüfverfahren eignet sich zur Bestimmung der Beständigkeit von Folien und flachen Probekörpern gegen umgebungsbedingte Spannungsrissbildung, besonders auch zur Bestimmung der Empfindlichkeit von lokalen Oberflächenbereichen der Probekörper gegen die ESC.
Das Biegestreifenverfahren ist zur Bestimmung der ESC geeignet, die sowohl von Gasen oder Flüssigkeiten verursacht wird als auch von Feststoffen, die migrierende Stoffe enthalten (z. B. polymere Klebstoffe oder weichmacherhaltige Materialien), wenn diese mit einem bestimmten Polymer in Kontakt kommen.
Dieses Verfahren wird bevorzugt zur Bestimmung der Beständigkeit gegen ESC von starren Kunststoffen angewendet, die während der Dauer der Prüfung nur geringe Spannungsrelaxation zeigen.
Bei dem Verfahren handelt es sich im Wesentlichen um eine Rangordnungsprüfung, und es ist nicht zur Lieferung von Daten vorgesehen, die für konstruktive Zwecke oder zur Vorhersage der Gebrauchstauglichkeit zu verwenden sind.
ANMERKUNG Zu einem Verfahren mit konstanter Zugverformung, siehe ISO 22088-5. Zu einem Zeitstandzugversuch, siehe ISO 22088-2.
Plastiques - Détermination de la fissuration sous contrainte dans un environnement donné (ESC) - Partie 3: Méthode de l'éprouvette courbée (ISO 22088-3:2006)
L'ISO 22088-3:2006 spécifie une méthode pour la détermination de la résistance de thermoplastiques à la fissuration sous contrainte dans un environnement donné (ESC) quand ils sont soumis à une contrainte de flexion constante en présence d'agents chimiques.
L'ESC sera figurée par la variation d'une propriété indicative choisie de manière appropriée des éprouvettes qui ont été soumises à la contrainte pendant une durée définie dans l'environnement. La méthode d'essai convient pour déterminer la résistance de plaques et d'éprouvettes planes, en particulier la sensibilité d'une surface localisée d'éprouvettes soumises à l'ESC.
Il s'agit ici essentiellement d'un essai de classement qui n'est pas destiné à fournir des données exploitables pour la conception ou des prévisions de performance.
Pour un essai de déformation constante, voir l'ISO 22088-5. Pour un essai sous contrainte constante, voir l'ISO 22088-2.
Polimerni materiali - Določanje odpornosti proti napetostni koroziji (ESC) - 3. del: Metoda z upognjenim trakom (ISO 22088-3:2006)
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Plastics - Determination of resistance to environmental stress cracking (ESC) - Part 3: Bent strip method (ISO 22088-3:2006)Plastiques - Détermination de la fissuration sous contrainte dans un environnement donné (ESC) - Partie 3: Méthode de l'éprouvette courbée (ISO 22088-3:2006)Kunststoffe - Bestimmung der Beständigkeit gegen umgebungsbedingte Spannungsrissbildung (ESC) - Teil 3: Biegestreifenverfahren (ISO 22088-3:2006)Ta slovenski standard je istoveten z:EN ISO 22088-3:2006SIST EN ISO 22088-3:2006en,fr,de83.080.01Polimerni materiali na splošnoPlastics in generalICS:SLOVENSKI
STANDARDSIST EN ISO 22088-3:200601-december-2006
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN ISO 22088-3August 2006ICS 83.080.01Supersedes EN ISO 4599:1996
English VersionPlastics - Determination of resistance to environmental stresscracking (ESC) - Part 3: Bent strip method (ISO 22088-3:2006)Plastiques - Détermination de la fissuration sous contraintedans un environnement donné (ESC) - Partie 3: Méthodede l'éprouvette courbée (ISO 22088-3:2006)Kunststoffe - Bestimmung der Beständigkeit gegenumgebungsbedingte Spannungsrissbildung (ESC) - Teil 3:Biegestreifenverfahren (ISO 22088-3:2006)This European Standard was approved by CEN on 21 July 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 22088-3:2006: E
EN ISO 22088-3:2006 (E)
2
Foreword
This document (EN ISO 22088-3:2006) 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 IBN.
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 February 2007, and conflicting national standards shall be withdrawn at the latest by February 2007.
This document supersedes EN ISO 4599:1996.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Endorsement notice
The text of ISO 22088-3:2006 has been approved by CEN as EN ISO 22088-3:2006 without any modifications.
Reference numberISO 22088-3:2006(E)© ISO 2006
INTERNATIONAL STANDARD ISO22088-3First edition2006-08-15Plastics —Determination of resistance to environmental stress cracking (ESC) — Part 3: Bent strip method Plastiques — Détermination de la fissuration sous contrainte dans un environnement donné (ESC) — Partie 3: Méthode de l'éprouvette courbée
ISO 22088-3:2006(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.
©
ISO 2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing 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.
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copyright@iso.org Web
www.iso.org Published in Switzerland
ii © ISO 2006 – All rights reserved
ISO 22088-3:2006(E) © ISO 2006 – All rights reserved iiiContents Page Foreword.iv 1 Scope.1 2 Normative references.1 3 Terms and definitions.2 4 Principle.4 5 Apparatus.4 6 Test specimens.5 6.1 Form and dimensions.5 6.2 Preparation.5 6.3 Number.5 7 Conditioning and test conditions.5 7.1 Conditioning.5 7.2 Test temperature.5 7.3 Test medium.5 8 Procedure.5 8.1 Precautions.5 8.2 Mounting the test specimens.5 8.3 Contact with the test environment.6 8.4 Storage in contact with the test environment.6 8.5 Determination of the indicative property.7 9 Expression of results.7 9.1 Calculation.7 9.2 Graphical evaluation.7 10 Precision.8 11 Test report.9 Bibliography.10
ISO 22088-3:2006(E) iv © ISO 2006 – All rights reserved 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. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. 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. ISO 22088-3 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 6, Ageing, chemical and environmental resistance. It cancels and replaces ISO 4599:1986, which has been technically revised. ISO 22088 consists of the following parts, under the general title Plastics — Determination of resistance to environmental stress cracking (ESC): ⎯ Part 1: General guidance ⎯ Part 2: Constant tensile load method (replacement of ISO 6252:1992) ⎯ Part 3: Bent strip method (replacement of ISO 4599:1986) ⎯ Part 4: Ball or pin impression method (replacement of ISO 4600:1992) ⎯ Part 5: Constant tensile deformation method (new test method) ⎯ Part 6: Slow strain rate method (new test method)
INTERNATIONAL STANDARD ISO 22088-3:2006(E) © ISO 2006 – All rights reserved 1Plastics — Determination of resistance to environmental stress cracking (ESC) — Part 3: Bent strip method 1 Scope This part of ISO 22088 specifies a method for the determination of the environmental stress cracking (ESC) resistance of thermoplastics when they are subjected to a fixed flexural strain in the presence of chemical agents. ESC is indicated by the change of a suitably chosen indicative property of specimens that have been strained for a defined time in the environment. The method of test is suitable for determining the resistance of sheets and of flat test specimens, especially the sensitivity of localized surface regions of specimens, to ESC. The bent strip method is suitable for the determination of ESC caused by gases and liquids as well as solids containing migrating substances (e.g. polymeric adhesives and materials containing plasticizers) in contact with a specific polymer. Preferably, this method is used to determine the ESC resistance of rigid plastics that exhibit only moderate stress relaxation during the time of the test. This is essentially a ranking test and is not intended to provide data to be used for design or performance prediction. NOTE For a constant-strain test, refer to ISO 22088-5. For a constant-load test, refer to ISO 22088-2. 2 Normative references The following referenced documents are indispensable for the application 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 178, Plastics — Determination of flexural properties ISO 179-1, Plastics — Determination of Charpy impact properties — Part 1: Non-instrumented impact test ISO 527-2, Plastics — Determination of tensile properties — Part 2: Test conditions for moulding and extrusion plastics ISO 2818, Plastics — Preparation of test specimens by machining ISO 22088-1:2006, Plastics — Determination of resistance to environmental stress cracking (ESC) — Part 1: General guidance
ISO 22088-3:2006(E) 2 © ISO 2006 – All rights reserved 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 flexural strain εx nominal value of the strain in the tensile surface of a flat test specimen of thickness
...
EUROPEAN STANDARD
DRAFT
prEN ISO 22088-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2004
ICS Will supersede EN ISO 4599:1996
English version
Plastics - Determination of resistance to environmental stress
cracking (ESC) - Part 3: Bent strip method (ISO/DIS 22088-
3:2004)
Plastiques - Détermination de la fissuration sous contrainte
dans un environnement donné (ESC) - Partie 3: Méthode
de l'éprouvette courbée (ISO/DIS 22088-3:2004)
This draft European Standard is submitted to CEN members for parallel enquiry. It has been drawn up by the Technical Committee
CEN/TC 249.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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 Management Centre has the same
status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2004 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN ISO 22088-3:2004: E
worldwide for CEN national Members.
---------------------- Page: 1 ----------------------
prEN ISO 22088-3:2004 (E)
Foreword
This document (prEN ISO 22088-3:2004) 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 IBN.
This document is currently submitted to the parallel Enquiry.
This document will supersede EN ISO 4599:1996.
Endorsement notice
The text of ISO 22088-3:2004 has been approved by CEN as prEN ISO 22088-3:2004 without
any modifications.
2
---------------------- Page: 2 ----------------------
DRAFT INTERNATIONAL STANDARD ISO/DIS 22088-3
ISO/TC 61/SC 6 Secretariat: DIN
Voting begins on: Voting terminates on:
2004-10-14 2005-03-14
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION • МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ • ORGANISATION INTERNATIONALE DE NORMALISATION
Plastics — Determination of resistance to environmental stress
cracking (ESC) —
Part 3:
Bent strip method
Plastiques — Détermination de la fissuration sous contrainte dans un environnement donné (ESC) —
Partie 3: Méthode de l'éprouvette courbée
(Revision of ISO 4599:1986)
ICS 83.080.01
ISO/CEN PARALLEL ENQUIRY
The CEN Secretary-General has advised the ISO Secretary-General that this ISO/DIS covers a subject
of interest to European standardization. In accordance with the ISO-lead mode of collaboration as
defined in the Vienna Agreement, consultation on this ISO/DIS has the same effect for CEN
members as would a CEN enquiry on a draft European Standard. Should this draft be accepted, a
final draft, established on the basis of comments received, will be submitted to a parallel two-month FDIS
vote in ISO and formal vote in CEN.
In accordance with the provisions of Council Resolution 15/1993 this document is circulated in
the English language only.
Conformément aux dispositions de la Résolution du Conseil 15/1993, ce document est distribué
en version anglaise seulement.
To expedite distribution, this document is circulated as received from the committee secretariat.
ISO Central Secretariat work of editing and text composition will be undertaken at publication
stage.
Pour accélérer la distribution, le présent document est distribué tel qu'il est parvenu du
secrétariat du comité. Le travail de rédaction et de composition de texte sera effectué au
Secrétariat central de l'ISO au stade de publication.
THIS DOCUMENT IS A DRAFT CIRCULATED 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 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 NATIONAL REGULATIONS.
© International Organization for Standardization, 2004
---------------------- Page: 3 ----------------------
ISO/DIS 22088-3
PDF disclaimer
This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall
not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In
downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat
accepts no liability in this area.
Adobe is a trademark of Adobe Systems Incorporated.
Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation
parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the
unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.
Copyright notice
This ISO document is a Draft International Standard and is copyright-protected by ISO. Except as permitted
under the applicable laws of the user's country, neither this ISO draft nor any extract from it may be
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©
ii ISO 2004 – All rights reserved
---------------------- Page: 4 ----------------------
ISO/DIS 22088-3
Contents
Foreword. iv
1 Scope .1
2 Normative references .1
3 Terms and definitions.2
4 Principle.3
5 Apparatus .4
6 Test specimens.5
7 Conditioning and test atmospheres .5
8 Procedure .6
9 Expression of results .7
10 Precision.8
11 Test report .8
© ISO 2002 – All rights reserved iii
DRAFT 2004
---------------------- Page: 5 ----------------------
ISO/DIS 22088-3
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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
Draft International Standards adopted by the technical committees are circulated to the member bodies for
voting. Publication as an International Standard requires approval by at least 75 % of the member bodies
casting a vote.
Attention is drawn to the possibility that some of the elements of this part of ISO 22088 may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
International Standard ISO 22088-3 was prepared by Technical Committee ISO/TC 61, Plastics,
Subcommittee SC 6, Ageing, chemical and environmental resistance.
ISO 22088 consists of the following parts, under the general title Plastics – Determination of resistance to
environmental stress cracking (ESC):
Part 1: General guidance:
Part 2: Constant tensile stress method (replacement for ISO 6252)
Part 3: Bent strip method (replacement for ISO 4599)
Part 4: Ball or pin impression method (replacement for ISO 4600)
Part 5: Constant tensile deformation method (new test method)
Part 6: Slow strain rate method (new test method)
iv © ISO 2002 – All rights reserved
DRAFT 2004
---------------------- Page: 6 ----------------------
DRAFT INTERNATIONAL STANDARD ISO/DIS 22088-3
Plastics — Determination of resistance to environmental stress
cracking (ESC) — Part 3: Bent strip method
1 Scope
This International Standard specifies a method for the determination of environmental stress cracking (ESC)
resistance of thermoplastics by means of a constant strain test. ESC will be indicated by the change of a
suitably chosen indicative property of specimens that have been strained for a defined time in the
environment. The method of test is suitable for determining the resistance of sheets and of flat test specimens
to environmental stress cracking, especially the sensitivity of localized surface region of specimens to ESC.
For the determination of the ESC sensitivity of finished articles or the bulk of a material subjected to a
constant tensile strain, see ISO 22088-5.
The bent strip method is suitable for the determination of ESC caused by gases and liquids as well as solids
containing migrating substances (e.g. polymeric adhesives and materials containing plasticizers) in contact
with a specific polymer.
Preferably, this method is used to determine the ESC resistance of rigid plastics that exhibit only moderate
stress relaxation during the time of the test.
For a constant strain test, refer to ISO 22088-5. For a constant stress test, refer to ISO 22088-2.
2 Normative references
The following referenced documents are indispensable for the application 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 178:2001, Plastics — Determination of flexural properties of rigid plastics
ISO 179 -1:2000, Plastics — Determination of Charpy impact properties -- Part 1: Non-instrumented impact
test
ISO 291:1997, Plastics — Standard atmospheres for conditioning and testing
ISO 293:1986, Plastics — Compression moulding test specimens of thermoplastics materials
ISO 294-1:1996, Plastics — Injection moulding of test specimens of thermoplastic materials - Part 1: General
principles, and moulding of multipurpose and bar test specimens
ISO 527-1:1993, Plastics — Determination of tensile properties - Part 1: General principles
ISO 527-2:1993, Plastics — Determination of tensile properties - Part 2: Test conditions for moulding and
extrusion plastics
ISO 2818:1994, Plastics — Preparation of test specimens by machining
ISO 3167:2002, Plastics — Multipurpose test specimens
© ISO 2002 – All rights reserved 1
DRAFT 2004
---------------------- Page: 7 ----------------------
ISO/DIS 22088-3
1)
ISO 22088-1:- , Plastics — Determination of resistance to environmental stress cracking (ESC) – Part 1:
General guidance
2)
ISO 22088-2:- , Plastics — Determination of resistance to environmental stress cracking (ESC) – Part 2:
Constant tensile stress method
3)
ISO 22088-4:- , Plastics — Determination of resistance to environmental stress cracking (ESC) – Part 4: Ball
or pin impression method
4)
ISO 22088-5:- , Plastics — Determination of resistance to environmental stress cracking (ESC) – Part 5:
Constant tensile deformation method
5)
ISO 22088-6:- , Plastics — Determination of resistance to environmental stress cracking (ESC) – Part 6: Slow
strain rate method
3 Terms and def
...
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