Protective clothing - Protection against heat and fire - Method of test: Evaluation of materials and material assemblies when exposed to a source of radiant heat (ISO 6942:2022)

This document specifies two complementary methods (method A and method B) for determining the behaviour of materials for heat protective clothing subjected to heat radiation.
These tests are carried out on representative single or multi-layer textiles or other materials intended for clothing for protection against heat. They are also applicable to assemblies, which correspond to the overall build up of a heat protective clothing assembly with or without underclothing,
Method A serves for visual assessment of any changes in the material after the action of heat radiation. With method B the protective effect of the materials is determined. The materials may be tested either by both methods or only by one of them.
The tests according to these two methods serve to classify materials; however, to be able to make a statement or prediction as to the suitability of a material for protective clothing additional criteria must be taken into account.
Since the tests are carried out at room temperature the results do not necessarily correspond to the behaviour of the materials at higher ambient temperatures and therefore are only to a limited extent suitable for predicting the performance of the protective clothing made from the materials under test.

Schutzkleidung - Schutz gegen Hitze und Feuer - Prüfverfahren: Beurteilung von Materialien und Materialkombinationen, die einer Hitze-Strahlungsquelle ausgesetzt sind (ISO 6942:2022)

Dieses Dokument legt zwei sich ergänzende Prüfverfahren (Verfahren A und Verfahren B) zur Bestimmung des Verhaltens von Materialien für Hitzeschutzkleidung bei der Einwirkung von Strahlungswärme fest.
Diese Prüfungen werden an repräsentativen ein- oder mehrlagigen Textilien oder anderen für Hitzeschutz-kleidung vorgesehenen Materialien durchgeführt. Sie sind auch auf Materialkombinationen anwendbar, die dem gesamten Aufbau einer Hitzeschutzkleidung mit oder ohne Unterkleidung entsprechen.
Verfahren A dient zur visuellen Erfassung von Veränderungen des Materials nach der Einwirkung von Wärme-strahlung. Mit dem Verfahren B wird die Schutzwirkung des Materials bestimmt. Die Materialien dürfen entweder nach beiden Verfahren oder nur nach einem der beiden Verfahren geprüft werden.
Die Prüfungen nach diesen beiden Verfahren dienen zur Klassifizierung von Materialien; um jedoch eine Feststellung oder Voraussage über die Eignung eines Materials für Hitzeschutzkleidung machen zu können, müssen noch andere Kriterien berücksichtigt werden.
Da die Prüfungen bei Raumtemperatur durchgeführt werden, entsprechen die Ergebnisse nicht unbedingt dem Verhalten der Materialien bei höheren Umgebungstemperaturen und sind daher nur bedingt für Voraus-sagen über das Verhalten von Schutzkleidung geeignet, die aus den geprüften Materialien hergestellt ist.

Vêtements de protection - Protection contre la chaleur et le feu - Méthode d'essai: Évaluation des matériaux et assemblages des matériaux exposés à une source de chaleur radiante (ISO 6942:2022)

Le présent document spécifie deux méthodes complémentaires (la méthode A et la méthode B) pour déterminer le comportement des matériaux utilisés pour les vêtements de protection soumis à un rayonnement de chaleur.
Les essais décrits sont réalisés sur des textiles représentatifs, simples ou multicouches, ou sur d’autres matériaux destinés aux vêtements de protection contre la chaleur. Ils sont également applicables aux assemblages, qui correspondent à la superposition globale d’un assemblage de vêtements de protection contre la chaleur, avec ou sans vêtements de dessous.
La méthode A permet d’effectuer une évaluation visuelle de toutes les modifications du matériau après les effets du rayonnement de chaleur. La méthode B permet de déterminer l’effet protecteur des matériaux. Il est possible de soumettre les matériaux à essai selon l’une des deux méthodes ou les deux.
Les essais effectués selon les deux méthodes décrites servent à classer les matériaux. Toutefois, afin de pouvoir juger si un matériau convient pour des vêtements de protection, des critères supplémentaires doivent être pris en compte.
Étant donné que les essais sont effectués à la température du local, les résultats ne reflètent pas nécessairement le comportement des matériaux à des températures ambiantes supérieures et, par conséquent, ne conviennent que dans une certaine mesure pour préjuger des performances des vêtements de protection fabriqués dans les matériaux soumis à essai.

Varovalna obleka - Zaščita pred toploto in ognjem - Metoda preskušanja: vrednotenje materialov in izdelkov iz teh materialov, ki so izpostavljeni viru toplotnega sevanja (ISO 6942:2022)

Ta dokument določa dve dopolnilni metodi (metoda A in metoda B) za določanje obnašanja materialov za oblačila za zaščito pred toploto, ki so izpostavljena toplotnemu sevanju. Ti preskusi se izvedejo na reprezentativnih eno- ali večplastnih tekstilijah in drugih materialih, namenjenih za oblačila za zaščito pred toploto. Uporabljajo se tudi za sklope, ki ustrezajo celotni sestavi sklopa oblačil za zaščito pred toploto s spodnjim perilom ali brez njega. Metoda A se uporablja za vizualno ocenjevanje morebitnih sprememb v materialu po delovanju toplotnega sevanja. Z metodo B se določa zaščitni učinek materialov. Materiali se lahko preskušajo z obema metodama ali zgolj z eno. Preskusi v skladu s tema metodama so namenjeni razvrščanju materialov, vendar pa je treba za izjavo ali napoved glede primernosti materiala za varovalno obleko upoštevati dodatna merila. Preskusi se izvajajo pri sobni temperaturi, zato rezultati morda ne odražajo obnašanja materialov pri višjih temperaturah okolice in so tako le v omejenem obsegu primerni za napoved učinkovitosti varovalne obleke, izdelane iz materialov, ki se preskušajo.

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Status
Published
Publication Date
13-Sep-2022
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
14-Sep-2022
Completion Date
14-Sep-2022

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SLOVENSKI STANDARD
01-november-2022
Nadomešča:
SIST EN ISO 6942:2002
Varovalna obleka - Zaščita pred toploto in ognjem - Metoda preskušanja:
vrednotenje materialov in izdelkov iz teh materialov, ki so izpostavljeni viru
toplotnega sevanja (ISO 6942:2022)
Protective clothing - Protection against heat and fire - Method of test: Evaluation of
materials and material assemblies when exposed to a source of radiant heat (ISO
6942:2022)
Schutzkleidung - Schutz gegen Hitze und Feuer - Prüfverfahren: Beurteilung von
Materialien und Materialkombinationen, die einer Hitze Strahlungsquelle ausgesetzt sind
(ISO 6942:2022)
Vêtements de protection - Protection contre la chaleur et le feu - Méthode d'essai:
Évaluation des matériaux et assemblages des matériaux exposés à une source de
chaleur radiante (ISO 6942:2022)
Ta slovenski standard je istoveten z: EN ISO 6942:2022
ICS:
13.340.10 Varovalna obleka Protective clothing
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 6942
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2022
EUROPÄISCHE NORM
ICS 13.340.10 Supersedes EN ISO 6942:2002
English Version
Protective clothing - Protection against heat and fire -
Method of test: Evaluation of materials and material
assemblies when exposed to a source of radiant heat (ISO
6942:2022)
Vêtements de protection - Protection contre la chaleur Schutzkleidung - Schutz gegen Hitze und Feuer -
et le feu - Méthode d'essai: Évaluation des matériaux et Prüfverfahren: Beurteilung von Materialien und
assemblages des matériaux exposés à une source de Materialkombinationen, die einer Hitze
chaleur radiante (ISO 6942:2022) Strahlungsquelle ausgesetzt sind (ISO 6942:2022)
This European Standard was approved by CEN on 17 June 2022.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye 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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 6942:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 6942:2022) has been prepared by Technical Committee ISO/TC 94 "Personal
safety -- Personal protective equipment" in collaboration with Technical Committee CEN/TC 162
“Protective clothing including hand and arm protection and lifejackets” the secretariat of which is held
by DIN.
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 March 2023, and conflicting national standards shall
be withdrawn at the latest by March 2023.
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 6942:2002.
This document has been prepared under a Standardization Request given to CEN by the European
Commission and the European Free Trade Association.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
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, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 6942:2022 has been approved by CEN as EN ISO 6942:2022 without any modification.

INTERNATIONAL ISO
STANDARD 6942
Fourth edition
2022-08
Protective clothing — Protection
against heat and fire — Method of test:
Evaluation of materials and material
assemblies when exposed to a source
of radiant heat
Vêtements de protection — Protection contre la chaleur et le feu
— Méthode d'essai: Évaluation des matériaux et assemblages des
matériaux exposés à une source de chaleur radiante
Reference number
ISO 6942:2022(E)
ISO 6942:2022(E)
© ISO 2022
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 on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 6942:2022(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative reference .1
3 Terms and definitions . 1
4 Principle . 2
4.1 Method A . 2
4.2 Method B . 2
5 Apparatus . 3
5.1 General . 3
5.2 Source of radiation . 3
5.3 Specimen holder . 4
5.4 Calorimeter . 4
5.5 Temperature recorder . 6
5.6 Apparatus location . 6
6 Sampling . 6
7 Test conditions .7
7.1 Conditioning atmosphere. 7
7.2 Testing atmosphere . 7
7.3 Heat flux density . 7
8 Test method . 7
8.1 Preliminary measures . 7
8.2 Calibration of the radiant source . 8
8.3 Procedure for method A . 8
8.4 Evaluation A . 9
8.5 Procedure for method B . 9
8.6 Evaluation B . 9
9 Test report .10
Annex A (informative) Precision of method B .11
Bibliography .13
iii
ISO 6942:2022(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 International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations
...

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