SIST EN ISO 1716:2002

SLOVENSKI STANDARD
01-september-2002
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Reaction to fire tests for building products - Determination of the heat of combustion (ISO
1716:2002)
Prüfungen zum Brandverhalten von Bauprodukten - Bestimmung der
Verbrennungswärme (ISO 1716:2002)
Essais de réaction au feu des produits de construction - Détermination de la chaleur de
combustion (ISO 1716:2002)
Ta slovenski standard je istoveten z: EN ISO 1716:2002
ICS:
13.220.50 Požarna odpornost Fire-resistance of building
gradbenih materialov in materials and elements
elementov
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN ISO 1716
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2002
ICS 13.220.30
English version
Reaction to fire tests for building products - Determination of the
heat of combustion (ISO 1716:2002)
Essais de réaction au feu des produits de construction - Prüfungen zum Brandverhalten von Bauprodukten -
Détermination de la chaleur de combustion (ISO Bestimmung der Verbrennungswärme (ISO 1716:2002)
1716:2002)
This European Standard was approved by CEN on 6 January 2002.
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.
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 Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2002 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 1716:2002 E
worldwide for CEN national Members.

Contents
Foreword . 4
Introduction . 5
1 Scope. 6
2 Normative references. 6
3 Terms and definitions. 6
4 Test apparatus. 7
4.1 General . 7
4.2 Calorimetric bomb. 8
4.3 Calorimeter . 8
4.3.1 Jacket . 8
4.3.2 Calorimetric vessel . 8
4.3.3 Stirrer. 8
4.4 Temperature measuring device. 8
4.5 The crucible . 9
4.6 Timing device . 9
4.7 Electric power source. 9
4.8 Pressure gauge and needle-valve . 9
4.9 Balances. 9
4.10 Device for making the “cigarette” . 9
4.11 Device for making the pellet . 9
4.12 Reagents . 9
5 Test specimen . 10
5.1 General . 10
5.2 Sampling . 10
5.2.1 General . 10
5.2.2 Loose-fill material. 10
5.2.3 Liquid applied products. 10
5.3 Determination of surface density . 10
5.4 Grinding . 10
5.5 Type of specimen. 11
5.6 Number of test specimens . 11
5.7 Determination of mass. 11
5.8 Crucible method. 11

 Cigarette’’ method. 11
6 Conditioning . 12
7 Test procedure . 12
7.1 General . 12
7.2 Calibration procedure. 12
7.2.1 Determination of the water equivalent. 12
7.2.2 Conditions for re-calibration. 13
7.3 Standard test procedure. 13
8 Expression of results. 14
8.1 Corrections for manual apparatus . 14
8.2 Corrections for isothermal calorimeter (see annex C). 14
8.3 Calculation of the gross heat of combustion of the specimen . 14
8.4 Calculation of the gross heat of combustion of the product . 15
8.4.1 General . 15
8.4.2 Homogeneous product. 16
8.4.3 Non-homogeneous product . 16
9 Test report. 16
10 Validity of test results. 17
Annex A (normative) Calculation of net heat of combustion. 22
Annex B (informative) Precision of test method . 23
Annex C (informative) Calculation by graph of the corrective term “c” necessary because
of the cooling of the calorimeter . 26
Annex D (informative) Example of determination of the gross heat of combustion of a
non-homogeneous product . 27
D.1 Non-homogeneous product to be tested. 27
D.2 Sampling of the non-homogeneous product . 27
D.2.1 Delamination of the product . 27
D.2.2 Determination of the area weight of each component . 28
D.3 Determination of the gross heat of combustion of each component. 28
Foreword
This document has been prepared by Technical Committee CEN /TC 127 "Fire safety in buildings",
the secretariat of which is held by BSI, in collaboration with Technical Committee ISO/TC 92 "Fire
safety", SC 1 "Fire initiation and growth".
This document has been prepared under a mandate given to CEN by the European Commission and
the European Free Trade Association, and supports essential requirements of the Construction
Products Directive.
This document shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by August 2002, and conflicting national standards shall be
withdrawn by December 2003.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this document: Austria, Belgium, the Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta,
Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.
Introduction
In this test a test specimen of specified mass is burned under standardized conditions, at constant
volume, in an atmosphere of oxygen, in a bomb calorimeter calibrated by combustion of certified
benzoic acid. The heat of combustion determined under these conditions is calculated on the basis of
the observed temperature rise, taking account of heat loss and the latent heat of vaporisation of
water.
It should be noted that this is a test method for determining an absolute value of the heat of
combustion for a product and does not take into account any inherent variability of the product.
Safety warning
So that suitable precautions are taken to safeguard health, the attention of all persons concerned in
fire tests is drawn to the possibility that toxic or harmful gases may be evolved in the combustion of
test specimens. In this test procedure, suitable measures should be taken to prevent harm in the
event of an explosion.
1 Scope
This European Standard specifies a method for the determination of the heat of combustion of
building products at constant volume in a bomb calorimeter.
This European Standard describes a test method for the measurement of the gross heat of
combustion (PCS). Annex A describes the calculation of the net heat of combustion (PCI) when
required.
Information on the precision of the test method is given in Annex B.
2 Normative references
This European Standard incorporates by dated or undated reference provisions from other
publications. These normative references are cited at appropriate places in the text and the
publications are listed hereafter. For dated references subsequent amendments to or revisions of any
of these publications apply to this European Standard only when incorporated in it by amendmen
...