INTERNATIONAL STANDARD
buildingproductssubjectedtodirect Reactiontofiretests-Ignitabilityof impingementofflame
Part 2:Single-flame sourcetest
a lincidence directe de la flamme - Essais de reaction au feu- Allumabilite des produits de batiment soumis
Partie 2: Essai a /aide dune source a flamme unique
PDF disclalmer
be edited unlessthe typefaces which are embedded are Icensed to and installed on theputer perfoing the ediing In dowloading ths This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy. this fle may be printed or viewed but shall notfle parties accept therein the responsibility of not infringing Adobeslicensing policy. The SO Centra Secretariat accepts no liability in this area.
Adobe is a trademark of Adobe Systems Incorporated.
that a problem relating to it is found please inform the Central Secretariat at the adress given beiow. Details of the software products used to create this PDF fle can be found in the General Info relative to the file; the PDF-creation parameters
Al rights reserved. Unless otherwise specified no part of this publication may be reproduced or utized in any form or by any means electronic or mechanical including photocopying and microfim without pemission in writing from ether ISO at the address below or ISO's member bodyin the country of the requester.
Foreword
member bodies). The work of preparing International Standards is normally carried out through ISO technical ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISOthe right to be represented on that mittee. International organizations governmental and non-govemmental in mittees. Each member body interested in a subject for which a technical mittee has been established hasliaison with ISO also take part in the work. ISO collaborates closely with the International ElectrotechnicalCommission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives Part 3.
by the technical mittees 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 11925 may be the subject ofu ped yns eoue po eqsuos pieu eqou us osi sy ue
ISO 11925-2 was prepared by the European Committee for Standardization (CEN) in collaboration with TechnicalCommittee ISO/TC 92 Fire safety Submittee SC 1 Fire initiation and growth in accordance with the
Throughout the text of this standard read ...this European Standard.." to mean *..this International Standard...".
This second edition cancels and replaces the first edition (ISO 11925-2:1997) which has been technically revised.
ISO 11925 consists of the following parts under the general tile Reaction to fire tests - Ignitability of building products subjected to direct impingement of flame:
-Part 1: Guidance on ignitability-Part 3: Multi-source test
-Part 2: Single-flame source test
Contents
Page
ForewordIntroduction... .vi .V1 Scope.... ..12 Normative references....3 Terms and definitions. .14 4.1 Testroom.. Test apparatus. .2 24.2 Combustion chamber... 24.3 4.4 Ignition source... Fuel. 2 24.5 4.6 Suppor.. Specimen holder... 2 34.7 4.8 Timing device.... Template.4.10 4.9 Flame checking devices. Anemometer. 34.11 Filter paper and tray 3 45 Test specimen. Preparation. 45.1 5.2 Dimensions. 4 45.3 5.4 Products which are not essentially flat. Number... 4 45.5 Substrates.. ..56 Conditioning.. 57 7.1 Test procedure. General. .5 57.2 7.3 Preliminary operations... Testing operations... .5 57.4 Duration of test.. 68 Expression of result.. .79 Annex A (normative) Procedure for products which melt and shrink. Test report.. ..7A.1 General. 17 17A.2 A.3 Test specimen. 17 17A.4 A.5 Test procedure... Expression of results.... 17Annex B (informative) Precision of test method .22
Foreword
The text of EN ISO 11925-2:2002 has been prepared by CEN/TC 127 *Fire safety in buildings" theSecretariat of which is held by BSl in collaboration with Technical Committee ISO/TC 92 *Fire safety".
identical text or by endorsement at the latest by August 2002 and conflicting national standards shall be withdrawn at the latest by December 2003.
According to the CEN/CENELEC Intermal Regulations the national standards organizations of theRepublic Denmark Finland France Germany Greece lceland Ireland Italy Luxembourg Malta Netherlands Norway Portugal Spain Sweden Switzerland and the United Kingdom.
