ISO 178

June 2003

D EUTSCHE NORM

Plastics Determination of flexural properties (ISO 178 : 2001) English version of DIN EN ISO 178 ICS 83.080.01

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EN ISO 178 Supersedes February 1997 edition.

Kunststoffe – Bestimmung der Biegeeigenschaften (ISO 178 : 2001)

European Standard EN ISO 178 : 2003 has the status of a DIN Standard. A comma is used as the decimal marker.

National foreword This standard has been published in accordance with a decision taken by CEN/TC 249 to adopt, without alteration, International Standard ISO 178 as a European Standard. The responsible German body involved in its preparation was the Normenausschuss Kunststoffe (Plastics Standards Committee), Technical Committee Mechanische Eigenschaften und Probekörperherstellung. The DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are as follows: ISO Standard

DIN Standard(s)

ISO 291 ISO 293 ISO 294-1 ISO 295 ISO 2818 ISO 3167 ISO 10724-1

DIN EN ISO 291 DIN 16770-1 and DIN EN ISO 293 *) DIN EN ISO 294-1 DIN EN ISO 295 DIN EN ISO 2818 DIN EN ISO 3167 DIN EN ISO 10724-1

Amendments This standard differs from the February 1997 edition in that it has been revised in form and substance. Previous editions DIN 53452: 1941-05, 1944-11, 1952-02, 1977-04; DIN 53453: 1943-11, 1952-02, 1954-07, 1958-05, 1965-10, 1975-05; DIN 53457: 1968-05, 1987-06, 1987-10; DIN EN ISO 178: 1997-02.

*) Currently at draft stage.

© No part of this standard may be reproduced without the prior permission of DIN Deutsches Institut für Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen).

Continued overleaf. EN comprises 17 pages.

DIN EN ISO 178 : 2003-06 English price group 12

Sales No. 1112 10.03

Page 2 DIN EN ISO 178 : 2003-06

National Annex NA Standards referred to (and not included in Normative references, Bibliography and Annex ZA) DIN 16770-1 DIN DIN

DIN DIN DIN DIN

Preparation of specimens of thermoplastic moulding materials by compression moulding EN ISO 291 Plastics – Standard atmospheres for conditioning and testing (ISO 291 : 1997) EN ISO 294-1 Plastics – Injection moulding of test specimens of thermoplastic materials – Part 1: General principles, and moulding of multipurpose and bar test specimens (ISO 294-1 : 1996) EN ISO 295 Plastics – Compression moulding of test specimens of thermosetting materials (ISO 295 : 1991) EN ISO 2818 Plastics – Preparation of test specimens by machining (ISO 2818 : 1994) EN ISO 3167 Plastics – Multi-purpose test specimens (ISO 3167 : 1993) EN ISO 10724-1 Injection moulding of test specimens of thermosetting powder moulding compounds (PMCs) – Part 1: General principles and moulding of multipurpose test specimens (ISO 10724-1 : 1998)

EN ISO 178 February 2003

ICS 83.080.01

Supersedes EN ISO 178 : 1996.

English version

Plastics Determination of flexural properties (ISO 178 : 2001) Plastiques – Détermination des propriétés en flexion (ISO 178 : 2001)

Kunststoffe – Bestimmung der Biegeeigenschaften (ISO 178 : 2001)

This European Standard was approved by CEN on 2002-12-12. 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 Management Centre or to any CEN member. The European Standards exist 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, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland, and the United Kingdom.

ÈÉË European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung Management Centre: rue de Stassart 36, B-1050 Brussels

© 2003. CEN – All rights of exploitation in any form and by any means reserved worldwide for CEN national members.

Ref. No. EN ISO 178 : 2003 E

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Foreword International Standard ISO 178 : 2001 Plastics – Determination of flexural properties, which was prepared by ISO/TC 61 ‘Plastics’ of the International Organization for Standardization, has been adopted by Technical Committee CEN/TC 249 ‘Plastics’, the Secretariat of which is held by IBN, as a European Standard. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, and conflicting national standards withdrawn, by August 2003 at the latest. In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland, and the United Kingdom.

Endorsement notice The text of the International Standard ISO 178 : 2001 was approved by CEN as a European Standard without any modification. NOTE: Normative references to international publications are listed in Annex ZA (normative).

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