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EN ISO 11357-6:2025

(Main)

Plastics - Differential scanning calorimetry (DSC) - Part 6: Determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) (ISO 11357-6:2025)

Plastics - Differential scanning calorimetry (DSC) - Part 6: Determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) (ISO 11357-6:2025)

This document specifies methods for the determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) of polymeric materials by means of differential scanning calorimetry (DSC). It is applicable to polyolefin resins that are in a fully stabilized or compounded form, either as raw materials or finished products. It can be applicable to other plastics.

Kunststoffe - Dynamische Differenzkalorimetrie (DSC) - Teil 6: Bestimmung der Oxidations-Induktionszeit (isothermische OIT) und Oxidations-Induktionstemperatur (dynamische OIT) (ISO 11357-6:2025)

Dieses Dokument legt Verfahren für die Bestimmung der Oxidations-Induktionszeit (isothermische OIT, en: oxidation induction time) und Oxidations-Induktionstemperatur (dynamische OIT, en: oxidation induction temperature) von polymeren Werkstoffen mittels dynamischer Differenzkalorimetrie (DSC, en: differential scanning calorimetry) fest. Es ist anwendbar auf Polyolefinharze, die in einer vollständig stabilisierten oder vermischten Form entweder als Rohmaterialien oder als Fertigerzeugnisse vorliegen. Es kann auf andere Kunststoffe angewendet werden

Plastiques - Analyse calorimétrique différentielle (DSC) - Partie 6: Détermination du temps d'induction à l'oxydation (OIT isotherme) et de la température d'induction à l'oxydation (OIT dynamique) (ISO 11357-6:2025)

Le présent document spécifie des méthodes de détermination du temps d’induction à l’oxydation (OIT isotherme) et de la température d’induction à l’oxydation (OIT dynamique) des matériaux polymères au moyen de l’analyse calorimétrique différentielle (DSC). Il s’applique aux résines polyoléfines sous forme totalement stabilisée ou sous forme de composition, soit comme matières premières, soit comme produits finis. Il peut s’appliquer à d’autres plastiques.

Polimerni materiali - Diferenčna dinamična kalorimetrija (DSC) - 6. del: Ugotavljanje časa indukcijske oksidacije (izotermični OIT) in temperature indukcijske oksidacije (izodinamični OIT) (ISO 11357-6:2025)

General Information

Status
Published
Publication Date
17-Jun-2025
ICS
83.080.01 - Plastics in general
Technical Committee
CEN/TC 249 - Plastics
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
18-Jun-2025
Completion Date
18-Jun-2025
Ref Project
SIST EN ISO 11357-6:2025 - Plastics - Differential scanning calorimetry (DSC) - Part 6: Determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) (ISO 11357-6:2025)

Relations

Replaces
EN ISO 11357-6:2018 - Plastics - Differential scanning calorimetry (DSC) - Part 6: Determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) (ISO 11357-6:2018)
Effective Date
01-Nov-2023

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SLOVENSKI STANDARD
01-september-2025
Polimerni materiali - Diferenčna dinamična kalorimetrija (DSC) - 6. del:
Ugotavljanje časa indukcijske oksidacije (izotermični OIT) in temperature
indukcijske oksidacije (izodinamični OIT) (ISO 11357-6:2025)
Plastics - Differential scanning calorimetry (DSC) - Part 6: Determination of oxidation
induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) (ISO
11357-6:2025)
Kunststoffe - Dynamische Differenzkalorimetrie (DSC) - Teil 6: Bestimmung der
Oxidations-Induktionszeit (isothermische OIT) und Oxidations-Induktionstemperatur
(dynamische OIT) (ISO 11357-6:2025)
Plastiques - Analyse calorimétrique différentielle (DSC) - Partie 6: Détermination du
temps d'induction à l'oxydation (OIT isotherme) et de la température d'induction à
l'oxydation (OIT dynamique) (ISO 11357-6:2025)
Ta slovenski standard je istoveten z: EN ISO 11357-6:2025
ICS:
17.200.10 Toplota. Kalorimetrija Heat. Calorimetry
83.080.01 Polimerni materiali na Plastics in general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 11357-6
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2025
EUROPÄISCHE NORM
ICS 83.080.01 Supersedes EN ISO 11357-6:2018
English Version
Plastics - Differential scanning calorimetry (DSC) - Part 6:
Determination of oxidation induction time (isothermal
OIT) and oxidation induction temperature (dynamic OIT)
(ISO 11357-6:2025)
Plastiques - Analyse calorimétrique différentielle (DSC) Kunststoffe - Dynamische Differenzkalorimetrie (DSC)
- Partie 6: Détermination du temps d'induction à - Teil 6: Bestimmung der Oxidations-Induktionszeit
l'oxydation (OIT isotherme) et de la température (isothermische OIT) und Oxidations-
d'induction à l'oxydation (OIT dynamique) (ISO 11357- Induktionstemperatur (dynamische OIT) (ISO 11357-
6:2025) 6:2025)
This European Standard was approved by CEN on 16 June 2025.

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, Türkiye 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
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 11357-6:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 11357-6:2025) 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 SIS.
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 2025, and conflicting national standards
shall be withdrawn at the latest by December 2025.
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 11357-6:2018.
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, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 11357-6:2025 has been approved by CEN as EN ISO 11357-6:2025 without any
modification.
International
Standard
ISO 11357-6
Fourth edition
Plastics — Differential scanning
2025-06
calorimetry (DSC) —
Part 6:
Determination of oxidation
induction time (isothermal
OIT) and oxidation induction
temperature (dynamic OIT)
Plastiques — Analyse calorimétrique différentielle (DSC) —
Partie 6: Détermination du temps d'induction à l'oxydation (OIT
isotherme) et de la température d'induction à l'oxydation (OIT
dynamique)
Reference number
ISO 11357-6:2025(en) © ISO 2025

ISO 11357-6:2025(en)
© ISO 2025
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 11357-6:2025(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
4.1 General .2
4.2 Oxidation induction time (isothermal OIT) .2
4.3 Oxidation induction temperature (dynamic OIT) .2
5 Apparatus and materials . 2
5.1 General .2
5.2 DSC instrument .3
5.3 Crucibles .3
5.4 Flowmeter.3
5.5 Oxygen .3
5.6 Air .3
5.7 Nitrogen .3
5.8 Gas-selector switch and regulators .3
6 Test specimens . 4
6.1 General .4
6.2 Specimens from compression-moulded plates .4
6.3 Specimens from injection-moulded plates or melt flow extrudates.4
6.4 Specimens from finished parts .4
7 Test conditions and specimen conditioning . 5
8 Calibration . 5
8.1 Oxidation induction time (isothermal OIT) .5
8.1.1 General .5
8.1.2 Dynamic temperature calibration .5
8.1.3 Isothermal stepwise temperature calibration .5
8.2 Oxidation induction temperature (dynamic OIT) .5
9 Procedure . 6
9.1 Setting up the instrument .6
9.2 Loading the test specimen into the crucible .6
9.3 Insertion of crucibles .6
9.4 Nitrogen, air and oxygen flow .6
9.5 Sensitivity adjustment .6
9.6 Performance of measurement .6
9.6.1 Oxidation induction time (isothermal OIT) .6
9.6.2 Oxidat
...

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