Reaction to fire tests for floorings — Part 2: Determination of flame spread at a heat flux level of 25 kW/m2

ISO 9239-2 specifies a method for assessing the burning behaviour of horizontally mounted flooring systems exposed to a heat flux gradient in a test chamber, when ignited with pilot flames. The radiant heat gradient is higher than the one described in ISO 9239-1 in order to simulate conditions in a corridor adjacent to a room containing a fully developed fire (post-flashover). This method is applicable to all types of flooring such as textile carpets, cork, wood, rubber and plastic coverings as well as coatings. Results obtained by this method reflect the performance of the flooring, including any substrate if used. Modifications of the backing, bonding to a substrate, underlay, or other changes of the flooring may affect test results. This part of ISO 9239 is applicable to the measurement and description of the properties of floorings in response to heat and flame under controlled laboratory conditions. It should not be used alone to describe or appraise the fire hazard or fire risk of floorings under actual fire conditions.

Essais de réaction au feu des revêtements de sol — Partie 2: Détermination de la propagation de flamme à un niveau de flux énergétique de 25 kW/m2

[Not translated]

General Information

Status

Published

Publication Date

12-Dec-2002

ICS

13.220.40 - Ignitability and burning behaviour of materials and products

59.080.60 - Textile floor coverings

97.150 - Floor coverings

Technical Committee

ISO/TC 92/SC 1 - Fire initiation and growth

Drafting Committee

ISO/TC 92/SC 1 - Fire initiation and growth

Current Stage

9060 - Close of review

Start Date

04-Jun-2029

Ref Project

SIST ISO 9239-2:2002:2011 - Reaction to fire tests for floorings -- Part 2: Determination of flame spread at a heat flux level of 25 kW/m2

Relations

Consolidated By

ISO 20182:2008 - Refractory test-piece preparation — Gunning refractory panels by the pneumatic-nozzle mixing type guns

Effective Date

06-Jun-2022

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ISO 9239-2:2002 - Reaction to ...

INTERNATIONAL ISO
STANDARD 9239-2
First edition
2002-12-15

Reaction to fire tests for floorings —
Part 2:
Determination of flame spread at a heat
2
flux level of 25 kW/m
Essais de réaction au feu des revêtements de sol —
Partie 2: Détermination de la propagation de flamme à un niveau de
2
flux énergétique de 25 kW/m

Reference number
ISO 9239-2:2002(E)
©
ISO 2002

---------------------- Page: 1 ----------------------
ISO 9239-2:2002(E)
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ii © ISO 2002 — All rights reserved

---------------------- Page: 2 ----------------------
ISO 9239-2:2002(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope. 1
2 Normative references . 1
3 Terms and definitions. 1
4 Apparatus. 2
5 Test specimen . 14
6 Conditioning . 14
7 Calibration procedure. 14
8 Standard test procedure. 16
9 Expression of results. 17
10 Precision . 17
11 Test report. 17
Annex A (informative) Gas and air supplies . 18
Annex B (informative) Precision of the test method. 19
Bibliography . 20

© ISO 2002 — All rights reserved iii

---------------------- Page: 3 ----------------------
ISO 9239-2:2002(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
...

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