Protective clothing - Clothing to protect against heat and flame - Minimum performance requirements (ISO/DIS 11612:2013)

This International Standard specifies performance requirements for garments made from flexible materials, which are designed to protect the wearer’s body, except the hands, from heat and/or flame. For protection of the wearer’s head and feet, the only items of protective clothing falling within the scope of this International Standard are gaiters, hoods and overboots. However, concerning hoods, requirements for visors and respiratory equipment are not given.
The performance requirements set out in this International Standard are applicable to garments which could be worn for a wide range of end uses, where there is a need for clothing with limited flame spread properties and where the user can be exposed to radiant or convective or contact heat or to molten metal splashes.
This International Standard is not applicable to protective clothing that is specified by other International Standards, such as for firefighting in structures and for use in welding and allied processes.

Schutzkleidung - Kleidung zum Schutz gegen Hitze und Flammen (ISO/DIS 11612:2013)

In dieser Internationalen Norm werden Leistungsanforderungen an Kleidung festgelegt, die aus flexiblen
Materialien besteht und zum Schutz des Körpers, ausgenommen der Hände, von Personen gegen Hitze
und/oder Flammen vorgesehen ist. Zum Schutz von Kopf und Füßen sind nur Gamaschen, Überschuhe und
Hauben im Anwendungsbereich dieser Internationalen Norm enthalten. In Bezug auf Hauben werden jedoch
keine Anforderungen an Sichtscheiben und Atemgeräte gegeben.
Die Leistungsanforderungen nach dieser Internationalen Norm gelten für Kleidung, die für einen weiten
Bereich von Anwendungen vorgesehen ist und bei der begrenzte Flammenausbreitung erforderlich ist und wo
der Träger Strahlungswärme, konvektiver oder Kontaktwärme oder Spritzern geschmolzenen Metalls
ausgesetzt ist.
Diese Internationale Norm gilt nicht für Schutzkleidung die in anderen Internationalen Normen festgelegt ist,
wie z. B. für Brandbekämpfung in Gebäuden oder für Schweißarbeiten oder ähnliche Prozesse.

Vêtements de protection - Vêtements de protection contre la chaleur et les flammes - Exigences de performance minimales (ISO/DIS 11612:2013)

Varovalna obleka - Obleka za zaščito pred toploto in plamenom - Minimalne zahtevane lastnosti (ISO/DIS 11612:2013)

General Information

Status
Not Published
Public Enquiry End Date
19-Jul-2011
Current Stage
98 - Abandoned project (Adopted Project)
Start Date
05-Feb-2014
Due Date
10-Feb-2014
Completion Date
05-Feb-2014

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SLOVENSKI STANDARD
oSIST prEN ISO 11612:2011
01-junij-2011
9DURYDOQDREOHND2EOHND]D]DãþLWRSUHGWRSORWRLQSODPHQRP0LQLPDOQH
]DKWHYDQHODVWQRVWL ,62',6
Protective clothing - Clothing to protect against heat and flame - Minimum performance
requirements (ISO/DIS 11612:2011)
Schutzkleidung - Kleidung zum Schutz gegen Hitze und Flammen (ISO/DIS 11612:2011)
Vêtements de protection - Vêtements de protection contre la chaleur et les flammes -
Exigences de performance minimales (ISO/DIS 11612:2011)
Ta slovenski standard je istoveten z: prEN ISO 11612
ICS:
13.340.10 Varovalna obleka Protective clothing
oSIST prEN ISO 11612:2011 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN ISO 11612:2011

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oSIST prEN ISO 11612:2011


EUROPEAN STANDARD
DRAFT
prEN ISO 11612
NORME EUROPÉENNE

EUROPÄISCHE NORM

March 2011
ICS 13.340.10 Will supersede EN ISO 11612:2008
English Version
Protective clothing - Clothing to protect against heat and flame -
Minimum performance requirements (ISO/DIS 11612:2011)
Vêtements de protection - Vêtements de protection contre Schutzkleidung - Kleidung zum Schutz gegen Hitze und
la chaleur et les flammes - Exigences de performance Flammen (ISO/DIS 11612:2011)
minimales (ISO/DIS 11612:2011)
This draft European Standard is submitted to CEN members for parallel enquiry. It has been drawn up by the Technical Committee
CEN/TC 162.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2011 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN ISO 11612:2011: E
worldwide for CEN national Members.

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oSIST prEN ISO 11612:2011
prEN ISO 11612:2011 (E)
Contents Page
Foreword .3

2

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oSIST prEN ISO 11612:2011
prEN ISO 11612:2011 (E)
Foreword
This document (prEN ISO 11612:2011) has been prepared by Technical Committee CEN/TC 162 “Protective
clothing including hand and arm protection and lifejackets” the secretariat of which is held by DIN, in
collaboration with Technical Committee ISO/TC 94 "Personal safety - Protective clothing and equipment".
This document is currently submitted to the parallel Enquiry.
This document will supersede EN ISO 11612:2008.
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 EU Directive(s).
3

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oSIST prEN ISO 11612:2011

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oSIST prEN ISO 11612:2011

DRAFT INTERNATIONAL STANDARD ISO/DIS 11612
ISO/TC 94/SC 13 Secretariat: SNV
Voting begins on Voting terminates on

2011-03-24 2011-08-24
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION  •  МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ  •  ORGANISATION INTERNATIONALE DE NORMALISATION

Protective clothing — Clothing to protect against heat and
flame — Minimum performance requirements
Vêtements de protection — Vêtements de protection contre la chaleur et les flammes — Exigences de
performance minimales
[Revision of second edition (ISO 11612:2008)]
ICS 13.340.10



ISO/CEN PARALLEL PROCESSING
This draft has been developed within the European Committee for Standardization (CEN), and
processed under the CEN-lead mode of collaboration as defined in the Vienna Agreement.
This draft is hereby submitted to the ISO member bodies and to the CEN member bodies for a parallel
five-month enquiry.
Should this draft be accepted, a final draft, established on the basis of comments received, will be
submitted to a parallel two-month approval vote in ISO and formal vote in CEN.

In accordance with the provisions of Council Resolution 15/1993 this document is circulated in
the English language only.
Conformément aux dispositions de la Résolution du Conseil 15/1993, ce document est distribué
en version anglaise seulement.

To expedite distribution, this document is circulated as received from the committee
secretariat. ISO Central Secretariat work of editing and text composition will be undertaken at
publication stage.
Pour accélérer la distribution, le présent document est distribué tel qu'il est parvenu du
secrétariat du comité. Le travail de rédaction et de composition de texte sera effectué au
Secrétariat central de l'ISO au stade de publication.


THIS DOCUMENT IS A DRAFT CIRCULATED FOR COMMENT AND APPROVAL. IT IS THEREFORE SUBJECT TO CHANGE AND MAY NOT BE
REFERRED TO AS AN INTERNATIONAL STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS BEING ACCEPTABLE FOR INDUSTRIAL, TECHNOLOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME
STANDARDS TO WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION.
©  International Organization for Standardization, 2011

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oSIST prEN ISO 11612:2011
ISO/DIS 11612

Copyright notice
This ISO document is a Draft International Standard and is copyright-protected by ISO. Except as permitted
under the applicable laws of the user’s country, neither this ISO draft nor any extract from it may be
reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic,
photocopying, recording or otherwise, without prior written permission being secured.
Requests for permission to reproduce should be addressed to either ISO at the address below or ISO’s
member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Reproduction may be subject to royalty payments or a licensing agreement.
Violators may be prosecuted.

ii © ISO 2011 – All rights reserved

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oSIST prEN ISO 11612:2011
ISO/DIS 11612:2010 (E)
Contents Page
Foreword .v
Introduction.vii
1 Scope.1
2 Normative references.1
3 Terms and definitions .2
4 Clothing design.4
4.1 General.4
4.2 Sizes.4
4.2.1 General.4
4.2.2 Suits.4
4.2.3 Additional protective clothing.5
4.3 Pockets and Closures.5
4.4 Hardware.5
4.5 Additional design requirements for molten splash protective garments.5
5 Sampling and pre-treatment.6
5.1 Sampling.6
5.2 Pre-treatment.6
5.2.1 Pre-treatment by cleaning.6
5.2.3. Mechanical pre-treatment.6
5.2.4. Ageing.6
5.3 Conditioning.7
6 General requirements.7
6.1 General.7
6.2 Heat resistance.7
6.2.1 Heat resistance at a temperature of (180 ± 5) °C.7
6.2.2 Optional requirement — Heat resistance at a temperature of (260 ± 5) °C.7
6.3 Limited flame spread (code letter A1 and/or A2) .7
6.3.1 General.7
6.3.2 Testing in accordance with ISO 15025:2000, Procedure A (code letter A1).7
6.3.3 Testing in accordance with ISO 15025:2000, Procedure B (code letter A2).8
6.4 Dimensional change due to cleaning .9
6.4.1 General.9
6.4.2 After pre-treatment as specified in 5.2.2.9
6.5 Physical requirements.9
6.5.1 Tensile strength.9
6.5.2 Tear strength.9
6.5.3 Burst strength for knitted materials .9
6.5.4 Seam strength.9
6.6 Optional requirement — Resistance to water penetration (code letter W).9
6.7 Ergonomic requirements.10
6.8 Fat content of leather .10
6.9 Innocuousness.10
6.9.1 Possible harmful effect.10
6.9.2 pH value.10
6.9.3 Chromium(VI) content.10
7 Heat transmission performance requirements.10
7.1 General.10
7.2 Convective heat (code letter B).10
© ISO 2010 – All rights reserved iii

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oSIST prEN ISO 11612:2011
ISO/DIS 11612:2010 (E)
7.3 Radiant heat (code letter C).11
7.4 Molten aluminium splash (code letter D) .11
7.5 Molten iron splash (code letter E).12
7.6 Contact heat (code letter F) .12
7.7 Optional requirement — Protection against the thermal hazards of an electric arc event.12
7.8 Optional test — Whole garment testing for prediction of injury by burns .12
8 Marking.13
9 Information supplied by the manufacturer .14
Annex A (normative) Mechanical pre-treatment for metallized materials.15
A.1 Principle.15
A.2 Sampling.15
A.3 Apparatus (see Figure A.1) .15
A.4 Procedure.15
Annex B (informative) Guidelines for clothing design .17
Annex C (informative) Prediction of burn injury using an instrumented manikin.18
Annex D (informative) Checking of basic ergonomic features of protective clothing.20
D.1 General.20
D.2 Ergonomic assessment questions .20
D.3 Grounds for concluding that a product is unacceptable .21
Annex E (informative) Risk Assessment.22
Annex F (informative) Protection against the thermal effects of electric arc .23
Annex G (informative) Uncertainty of measurements .24
Annex ZA (informative) Relationship between this International Standard and the Essential
Requirements of EU Directive 89/686/EEC.25

iv © ISO 2010 – All rights reserved

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oSIST prEN ISO 11612:2011
ISO/DIS 11612:2010 (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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees 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 document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 11612 was prepared by Technical Committee ISO/TC 94, Personal safety - Protective clothing and
equipment, Subcommittee SC 13, Protective clothing.
This edition cancels and replaces ISO 11612:2008. It has been prepared in order to:
a) include test procedure for dry-cleaning in normative references;
b) modify clause in design requirements regarding garment overlaps;
c) modify clause in design requirements regarding the areas of the body covered by protective suits;
d) modify clause for ageing due to washing (maximum number of cleaning procedures as indicated by the
manufacturer);
e) modify pretreatment clause to include requirements for single use garments;
f) modify pretreatment clause to specify dimensional stability is carried out after five cleaning cycles;
g) include modified procedure when measuring dimensional stability;
0
h) modify requirement for optional heat resistance testing at 260 C;
i) modify requirement that hardware is tested only after pretreatment;
j) include statement for flame spread testing in regard to interlining materials;
k) modify test procedure for the flame testing of Labels, badges, retro-reflective materials;
l) modify requirements for tear strength;
m) specify test area for burst strength testing;
n) specify limit for CR(VI) Content;
o) update reference in electric arc clause to include IEC 61482- 2;
© ISO 2010 – All rights reserved v

DRAFT 2011

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oSIST prEN ISO 11612:2011
ISO/DIS 11612:2010 (E)
p) update observation clause (e) in Annex C prediction of burn injury using an instrumented manikin;
q) update references to Annex F to include IEC 61482-1-1, IEC 61482-1-2 and IEC 61482-2;
r) specify that Uncertainty of Measurement - Annex G is normative;
s) update bibliography to include IEC 61482-1-1;

vi © ISO 2010 – All rights reserved

DRAFT 2011

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oSIST prEN ISO 11612:2011
ISO/DIS 11612:2010 (E)
Introduction
The purpose of this International Standard is to provide minimum performance requirements for clothing to
protect against heat and flame, which could be worn for a wide range of end uses. All the other standards
listed in the Foreword deal also with clothing to protect against heat and fire, but rather for quite specific
products or end uses.
Within many of the hazards listed in this International Standard there are three performance levels:
⎯ Level 1 to indicate exposure to perceived low risk;
⎯ Level 2 to indicate exposure to perceived medium risk;
⎯ Level 3 to indicate exposure to perceived high risk.
For protection against extreme exposures to radiant heat, there is a fourth performance level to take into
account high performance materials such as aluminized and similar materials. The level of personal protection
to be provided is based on the outcome of the risk assessment and some comments on risk assessment are
given in Annex E.
In this International Standard, an informative annex on ergonomic features (Annex D) is included in the form of
guidelines. Suitable tests for these requirements have not yet been validated internationally.
For complete protection against exposure to heat and/or flame, it is probable that it will be necessary to
protect the head, face, hands and/or feet with suitable PPE and in some cases, appropriate respiratory
protection might also be considered necessary.
[1]
Attention is drawn to CEN Technical Report CEN/TR 14560:2004 , which sets out guidelines for selection,
use, care and maintenance of protective clothing against heat and flame.
Nothing in this International Standard is intended to restrict any jurisdiction, purchaser or manufacturer from
exceeding these minimum requirements. It is one of several standards for clothing that have been developed
to protect persons against heat and/or flames. Other standards include:
⎯ ISO 11611, Protective clothing for use in welding and allied processes;
⎯ ISO 11613, Protective clothing for firefighters — Laboratory test methods and performance requirements;
⎯ ISO 14460, Protective clothing for automobile racing drivers — Protection against heat and flame —
Performance requirements and test methods;
⎯ ISO 15384, Protective clothing for firefighters — Laboratory test methods and performance requirements
for wildland firefighting clothing;
⎯ ISO 15538, Protective clothing for firefighters — Laboratory test methods and performance requirements
for protective clothing with a reflective outer surface;
⎯ EN 469, Protective clothing for firefighters — Performance requirements for protective clothing for
firefighting;
⎯ EN 1486, Protective clothing for fire-fighters — Test methods and requirements for reflective clothing for
specialised fire fighting;
⎯ EN 13911, Protective clothing for firefighters — Requirements and test methods for fire hoods for
firefighters;
© ISO 2010 – All rights reserved vii

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oSIST prEN ISO 11612:2011
ISO/DIS 11612:2010 (E)
⎯ EN 15614, Protective clothing for firefighters — Laboratory test methods and performance requirements
for wildland clothing

viii © ISO 2010 – All rights reserved

DRAFT 2011

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oSIST prEN ISO 11612:2011
DRAFT INTERNATIONAL STANDARD ISO/DIS 11612

Protective clothing — Clothing to protect against heat and
flame — Minimum performance requirements
1 Scope
This International Standard specifies performance requirements for garments made from flexible materials,
which are designed to protect the wearer’s body, except the hands, from heat and/or flame. For protection of
the wearer’s head and feet, the only items of protective clothing falling within the scope of this International
Standard are gaiters, hoods and overboots. However, concerning hoods, requirements for visors and
respiratory equipment are not given.
The performance requirements set out in this International Standard are applicable to garments which could
be worn for a wide range of end uses, where there is a need for clothing with limited flame spread properties
and where the user can be exposed to radiant or convective or contact heat or to molten metal splashes.
This International Standard is not applicable to protective clothing that is specified by other International
Standards, such as for firefighting in structures and for use in welding and allied processes.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 3071, Textiles — Determination of pH of aqueous extract
ISO 3175-2:1998, Textiles — Dry Cleaning and finishing – Part 2 Procedures for tetrachloroethylene
ISO 3376:2002, Leather — Physical and mechanical tests — Determination of tensile strength and
percentage extension
ISO 3377-1, Leather — Physical and mechanical tests — Determination of tear load — Part 1: Double edge
tear
ISO 4045, Leather — Chemical tests — Determination of Ph
ISO 4048, Leather — Chemical tests — Determination of matter soluble in dichloromethane and free fatty acid
content
ISO 5077, Textiles — Determination of dimensional change in washing and drying
ISO 6942:2002, 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 7000, Graphical symbols for use on equipment — Index and synopsis
ISO 9151, Protective clothing against heat and flame — Determination of heat transmission on exposure to
flame
ISO 9185, Protective clothing — Assessment of resistance of materials to molten metal splash
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oSIST prEN ISO 11612:2011
ISO/DIS 11612:2010 (E)
ISO/TR 11610, Protective clothing — Vocabulary
ISO 12127:1996, Clothing for protection against heat and flame — Determination of contact heat transmission
through protective clothing or constituent materials
ISO 13506, Protective clothing against heat and flame — Test method for complete garments — Prediction of
burn injury using an instrumented manikin
ISO 13688, Protective clothing — General requirements
ISO 13934-1, Textiles — Tensile properties of fabrics — Part 1: Determination of maximum force and
elongation at maximum force using the strip method
ISO 13935-2, Textiles — Seam tensile properties of fabrics and made-up textile articles — Part 2:
Determination of maximum force to seam rupture using the grab method
ISO 13937-2, Textiles — Tear properties of fabrics — Part 2: Determination of tear force of trouser-shaped
test specimens (Single tear method)
ISO 13938-1, Textiles — Bursting properties of fabrics — Part 1: Hydraulic method for determination of
bursting strength and bursting distension
ISO 15025, Protective clothing — Protection against heat and flame — Method of test for limited flame spread
ISO 17075, Leather — Chemical tests — Determination of chromium(VI) content
ISO 17493, Clothing and equipment for protection against heat — Test method for convective heat resistance
using a hot air circulating oven
EN 343:2009, Protective clothing — Protection against rain
3 Terms and definitions
For the purposes of this document, the terms and definitions in ISO/TR 11610 and the following apply.
3.1
ageing
changing of the product performance over time during use or storage
NOTE Ageing is caused by a combination of several factors, such as:
⎯ cleaning, maintenance or disinfecting processes;
⎯ exposure to visible and/or ultra-violet radiation;
⎯ exposure to high or low temperatures or to changing temperatures;
⎯ exposure
...

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