EN ISO 1856:2018

SLOVENSKI STANDARD
01-november-2018
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SIST EN ISO 1856:2001
SIST EN ISO 1856:2001/A1:2007
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Flexible cellular polymeric materials - Determination of compression set (ISO 1856:2018)
Weich-elastische polymere Schaumstoffe - Bestimmung des Druckverformungsrestes
(ISO 1856:2018)
Matériaux polymères alvéolaires souples - Détermination de la déformation rémanente
après compression (ISO 1856:2018)
Ta slovenski standard je istoveten z: EN ISO 1856:2018
ICS:
83.100 Penjeni polimeri Cellular materials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 1856
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2018
EUROPÄISCHE NORM
ICS 83.100 Supersedes EN ISO 1856:2000
English Version
Flexible cellular polymeric materials - Determination of
compression set (ISO 1856:2018)
Matériaux polymères alvéolaires souples - Weich-elastische polymere Schaumstoffe -
Détermination de la déformation rémanente après Bestimmung des Druckverformungsrestes (ISO
compression (ISO 1856:2018) 1856:2018)
This European Standard was approved by CEN on 24 July 2018.

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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, 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
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 1856:2018 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 1856:2018) has been prepared by Technical Committee ISO/TC 45 "Rubber and
rubber products" 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 February 2019, and conflicting national standards
shall be withdrawn at the latest by February 2019.
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 1856:2000.
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, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 1856:2018 has been approved by CEN as EN ISO 1856:2018 without any modification.

INTERNATIONAL ISO
STANDARD 1856
Fourth edition
2018-06
Flexible cellular polymeric
materials — Determination of
compression set
Matériaux polymères alvéolaires souples — Détermination de la
déformation rémanente après compression
Reference number
ISO 1856:2018(E)
©
ISO 2018
ISO 1856:2018(E)
© ISO 2018
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
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Published in Switzerland
ii © ISO 2018 – All rights reserved

ISO 1856:2018(E)
Contents Page
Foreword .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus . 2
6 Test pieces . 2
6.1 Requirements . 2
6.2 Samples showing orientation .2
6.3 Number of test pieces .2
6.4 Conditioning . 2
7 Procedure. 3
7.1 General . 3
7.2 Method A (compression at 70 °C) . 3
7.3 Method B (compression at standard conditioning temperature).3
7.4 Method C (compression under specifically specified conditions) .3
8 Calculation and expression of results . 3
9 Test report . 4
ISO 1856:2018(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 In
...