oSIST prEN ISO 11611:2013
(Main)Protective clothing for use in welding and allied processes (ISO/DIS 11611:2013)
Protective clothing for use in welding and allied processes (ISO/DIS 11611:2013)
This International Standard specifies minimum basic safety requirements and test methods for protective clothing including hoods, aprons, sleeves and gaiters that are designed to protect the wearer's body including head (hoods) and feet (gaiters) and that are to be worn during welding and allied processes with comparable risks. For the protection of the wearer’s head and feet, this International Standard is only applicable to hoods and gaiters. This International Standard does not cover requirements for hand protection or visors for face protection.
This type of protective clothing is intended to protect the wearer against spatter (small splashes of molten metal), short contact time with flame, radiant heat from the arc, and minimizes the possibility of electrical shock by short-term, accidental contact with live electrical conductors at voltages up to approximately 100 V d.c. in normal conditions of welding. Sweat, soiling or other contaminants can affect the level of protection provided against short-term accidental contact with live electric conductors at these voltages. This International Standard specifies two classes with specific performance requirements (see Annex A), i.e. Class 1 being the lower level and Class 2 the higher level.
Class 1 is protection against less hazardous welding techniques and situations, causing lower levels of spatter and radiant heat.
Class 2 is protection against more hazardous welding techniques and situations, causing higher levels of spatter and radiant heat.
Schutzkleidung für Schweißen und verwandte Verfahren (ISO/DIS 11611:2013)
Diese Internationale Norm legt die grundlegenden Mindestanforderungen an die Sicherheit und die
Prüfverfahren für Schutzkleidung fest einschließlich Hauben, Schürzen, Überziehärmel und Gamaschen, die
dafür vorgesehen ist, den Träger einschließlich Kopf (Haube) und Füße (Gamaschen) beim Schweißen und
verwandten Prozessen mit vergleichbaren Risiken zu schützen. Der Anwendungsbereich dieser Internationalen
Norm umfasst zum Schutz des Kopfes und der Füße des Schweißers nur Gamaschen und
Hauben. Diese Internationale Norm legt keine Anforderungen an Handschutz oder Visiere für den Schutz des
Gesichts fest.
Diese Art Schutzkleidung ist dazu vorgesehen, den Träger gegen Schweißspritzer (kleine Spritzer geschmolzenen
Metalls), kurzzeitigen Kontakt mit Flammen sowie Strahlungswärme aus dem Lichtbogen zu schützen
und sie bietet unter üblichen Schweißbedingungen in begrenztem Maße elektrische Isolation gegenüber unter
Gleichspannung bis ungefähr 100 V stehenden elektrischen Leitern. Schweiß, Verschmutzung oder andere
Verunreinigungen können den Schutz gegen kurzzeitiges unbeabsichtigtes Berühren von spannungsführenden
elektrischen Leitern bis zu dieser Spannung beeinträchtigen. Diese Internationale Norm legt zwei
Klassen mit spezifischen Leistungsanforderungen fest (siehe Anhang A), wobei Klasse 1 die niedrigere
Klasse und Klasse 2 die höhere Klasse ist.
- Klasse 1 (niedrigere Klasse) bietet Schutz gegen weniger gefährdende Schweißverfahren und Arbeitsplatzsituationen
mit weniger Schweißspritzern und niedrigerer Strahlungswärme.
- Klasse 2 (höhere Klasse) bietet Schutz gegen stärker gefährdende Schweißverfahren und Arbeitsplatzsituationen
mit mehr Schweißspritzern und stärkerer Strahlungswärme.
Einzelheiten sind in Tabelle 1 und Anhang B angegeben.
Für angemessenen Schutz gegen Risiken, denen Schweißer üblicherweise ausgesetzt sind, sollte
Persönliche Schutzausrüstung (PSA) für Kopf, Gesicht, Hände und Füße entsprechend anderen Normen
getragen werden.
Vêtements de protection utilisés pendant le soudage et les techniques connexes (ISO/DIS 11611:2013)
Varovalna obleka za uporabo pri varjenju in sorodnih postopkih (ISO/DIS 11611:2013)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN ISO 11611:2011
01-junij-2011
Varovalna obleka za uporabo pri varjenju in sorodnih postopkih (ISO/DIS
11611:2011)
Protective clothing for use in welding and allied processes (ISO/DIS 11611:2011)
Schutzkleidung für Schweißen und verwandte Verfahren (ISO/DIS 11611:2011)
Vêtements de protection utilisés pendant le soudage et les techniques connexes
(ISO/DIS 11611:2011)
Ta slovenski standard je istoveten z: prEN ISO 11611
ICS:
13.340.10 Varovalna obleka Protective clothing
25.160.01 Varjenje, trdo in mehko Welding, brazing and
spajkanje na splošno soldering in general
oSIST prEN ISO 11611:2011 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN ISO 11611:2011
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oSIST prEN ISO 11611:2011
EUROPEAN STANDARD
DRAFT
prEN ISO 11611
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2011
ICS 13.340.10; 25.160.01 Will supersede EN ISO 11611:2007
English Version
Protective clothing for use in welding and allied processes
(ISO/DIS 11611:2011)
Vêtements de protection utilisés pendant le soudage et les Schutzkleidung für Schweißen und verwandte Verfahren
techniques connexes (ISO/DIS 11611:2011) (ISO/DIS 11611:2011)
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 11611:2011: E
worldwide for CEN national Members.
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oSIST prEN ISO 11611:2011
prEN ISO 11611:2011 (E)
Contents Page
Foreword .3
2
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oSIST prEN ISO 11611:2011
prEN ISO 11611:2011 (E)
Foreword
This document (prEN ISO 11611:2011) 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 11611:2007.
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 11611:2011
DRAFT INTERNATIONAL STANDARD ISO/DIS 11611
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 for use in welding and allied processes
Vêtements de protection utilisés pendant le soudage et les techniques connexes
[Revision of first edition (ISO 11611:2007)]
ICS 13.340.10; 25.160.01
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 11611:2011
ISO/DIS 11611
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 11611:2011
ISO/DIS 11611:2010 (E)
Contents Page
Foreword .iv
1 Scope.1
2 Normative references.1
3 Terms and definitions .2
4 Design.4
4.1 General.4
4.2 Protective clothing.4
4.3.1. Additional protective clothing.4
4.3 Sizes.4
4.4 Pockets.4
4.5 Closures and seams.5
4.6 Hardware.5
5 Sampling and pre-treatment.5
5.1 Sampling.5
5.2 Pre-treatment of material.5
5.2.1 Pre-treatment by cleaning.5
5.3 Ageing.6
6 General safety requirements.6
6.1 Tensile strength.6
6.2 Tear strength.6
6.3 Burst strength of knitted materials.6
6.4 Seam strength.6
6.5 Dimensional change of textile materials.6
6.6 Requirements for leather.7
6.7 Flame spread.7
6.8 Impact of spatter.7
6.9 Heat transfer (radiation).8
6.10 Electrical resistance.8
6.11 Innocuousness.8
6.11.1 Possible harmful effect.8
6.11.2 pH-value.8
6.11.3 Cr(VI) content.8
6.12 Summary of general safety requirements.8
7 Marking.9
8 Information supplied by the manufacturer .10
8.1 General.10
8.2 Intended use.10
8.3 Improper use.11
8.4 Care and maintenance.11
Annex A (informative) Guidance for the selection of the type of welders' clothing (Class 1/Class 2) .12
Annex B (informative) Information on UV radiation hazards.13
Annex C (normative) Uncertainty of measurement.14
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 89/686/EEC .15
Bibliography.17
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oSIST prEN ISO 11611:2011
ISO/DIS 11611:2010 (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 11611 was prepared by Technical Committee ISO/TC 94, Personal safety -- Protective clothing and
equipment, Subcommittee SC 13, and by Technical Committee CEN/TC 162, Protective clothing including
hand and arm protection and lifejackets in collaboration.
ISO 11611:XXXX cancels and replaces ISO 11611:2007, which has been technically revised 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 garment sizes;
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;
h) modify requirements for tear strength;
i) specify test area for burst strength testing;
j) modify requirement that hardware is tested only after pretreatment;
k) include statement for flame spread testing in regard to interlining materials;
l) modify test procedure for the flame testing of Labels, badges, retro-reflective materials;
m) modify requirement for impact of splatter to state that materials can not melt or hole form;
n) specify limit for CR(VI) Content;
o) specify that Uncertainty of Measurement - Annex C is normative
p) include electrical resistance in Annex ZA;
iv © ISO 2010 – All rights reserved
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oSIST prEN ISO 11611:2011
DRAFT INTERNATIONAL STANDARD ISO/DIS 11611
Protective clothing for use in welding and allied processes
1 Scope
This International Standard specifies minimum basic safety requirements and test methods for protective
clothing including hoods, aprons, sleeves and gaiters that are designed to protect the wearer's body including
head (hoods) and feet (gaiters) and that are to be worn during welding and allied processes with comparable
risks. For the protection of the wearer’s head and feet, this International Standard is only applicable to hoods
and gaiters. This International Standard does not cover requirements for hand protection or visors for face
protection.
This type of protective clothing is intended to protect the wearer against spatter (small splashes of molten
metal), short contact time with flame, radiant heat from the arc, and minimizes the possibility of electrical
shock by short-term, accidental contact with live electrical conductors at voltages up to approximately
100 V d. c. in normal conditions of welding. Sweat, soiling or other contaminants can affect the level of
protection provided against short-term accidental contact with live electric conductors at these voltages. This
International Standard specifies two classes with specific performance requirements (see Annex A), i.e. Class
1 being the lower level and Class 2 the higher level.
⎯ Class 1 is protection against less hazardous welding techniques and situations, causing lower levels of
spatter and radiant heat.
⎯ Class 2 is protection against more hazardous welding techniques and situations, causing higher levels of
spatter and radiant heat.
Details are given in Table 1 and Annex A
For adequate overall protection against the risks to which welders are likely to be exposed, personal
protective equipment (PPE) covered by other standards should additionally be worn to protect the head, face,
hands and feet.
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 3071:2005, Textiles — Determination of pH of aqueous extract
ISO 3376:2002, Leather — Physical and mechanical tests — Determination of tensile strength and
percentage extension
ISO 3377-1:2002, Leather — Physical and mechanical tests — Determination of tear load — Part 1: Single
edge tear
ISO 4045:1977, Leather — Determination of pH
ISO 4048:1977, Leather — Determination of matter soluble in dichloromethane
ISO 5077:2007, Textiles — Determination of dimensional change in washing and drying
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oSIST prEN ISO 11611:2011
ISO/DIS 11611:2010 (E)
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 9150:1988, Protective clothing — Determination of behaviour of materials on impact of small splashes of
molten metal
ISO 13688, Protective clothing — General requirements
ISO 13934-1:1999, Textiles — Tensile properties of fabrics — Part 1: Determination of maximum force and
elongation at maximum force using the strip method
ISO 13935-2:1999, 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 13937-2:2000, 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 15025:2000, Protective clothing — Protection against heat and flame — Method of test for limited flame
spread
ISO 17075, Leather — Chemical tests — Determination of chromium VI content
EN 1149-2:1997, Protective clothing — Electrostatic properties — Part 2: Test method for measurement of the
electrical resistance through a material (vertical resistance)
ISO 3175-2: 1998, Textiles — Dry cleaning and finishing – Part 2 Procedures for tetrachloroethylene.
3 Terms and definitions
For the purposes of this document, the following terms and definitions 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 process;
⎯ exposure to visible and/or ultra-violet radiation;
⎯ exposure to high or low temperatures or to changing temperatures;
⎯ exposure to chemicals including humidity;
⎯ exposure to biological agents such as bacteria, fungi, insects or other pests;
⎯ exposure to mechanical action such as abrasion, flexing, pressure and strain;
⎯ exposure to contaminants such as dirt, oil, splashes of molten metal, etc.;
⎯ exposure to wear and tear.
3.2
allied processes
processes having similar types and levels of risk as welding, cutting, arc air gouging and spraying
2 © ISO 2010 – All rights reserved
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oSIST prEN ISO 11611:2011
ISO/DIS 11611:2010 (E)
3.3
cleaning
process by which a PPE is again made serviceable and/or hygienically wearable by removing any dirt or
contamination
NOTE A cleaning cycle is typically a washing plus drying or a dry cleaning treatment followed, if required, by ironing
or other finishing.
3.4
conditioning
keeping of the samples under standard conditions of temperature and relative humidity for a minimum period
of time
3.5
gaiter
removable covering intended to protect the part of the leg below the knee and can also cover the upper
surface of shoes
3.6
hood
item of PPE made from flexible material which covers the head and neck
NOTE Certain hood styles also cover the shoulders.
3.7
material assembly
combination of all materials of a multi-layer garment presented exactly as the finished garment construction
3.8
pre-treatment
standard way of preparing the samples before testing
NOTE This can include e.g. a number of cleaning cycles, submitting the sample to heat, mechanical action or any
other relevant exposure and is finished by conditioning.
3.9
protective clothing
clothing which covers or replaces personal clothing and which is designed to provide protection for the
wearer’s upper and lower torso, neck, arms and legs
3.10
protective garment
individual item of protective clothing the wearing of which provides protection against specified hazards to the
part of the body that it covers
EXAMPLE Protective coat, apron, trousers, gaiters, hoods, boiler suit or overall.
3.11
side seam
seam that runs laterally along the garment when it is placed flat on a surface, with the front uppermost
3.12
sleeve
removable covering intended to protect part or all of the arm and the wrist
3.13
welding
process used in joining metal components involving local melting of metal
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oSIST prEN ISO 11611:2011
ISO/DIS 11611:2010 (E)
4 Design
4.1 General
General requirements which are not specifically covered in this International Standard shall be in accordance
with ISO 13688.
4.2.Welders’ protective clothing shall be designed without electrical conduction from the outside to the inside,
e. g. by metal fasteners. Conformity shall be checked by visual inspection.
4.2 Protective clothing
Welders' protective suits shall completely cover the upper and lower torso, neck, arms to the wrist and legs to
the ankle. Suits shall consist of :
a) a single garment, e.g. an overall or boiler suit;
b) or a two-piece garment, consisting of a jacket and a pair of trousers.
When standing the jacket of a two-piece suit shall provide a minimum overlap of 20 cm between the jacket
and the top of the trousers. An overlap shall be maintained in all positions and movements expected during
use.
Conformity shall be checked by visual inspection and practical testing, such as physical measurement of the
overlap in all positions and movements normally encountered during use.
4.3.1. Additional protective clothing
Welder’s protective garments may be designed to provide extra protection for specific areas of the body when
worn in addition to a suit according to 4.1.1, e. g. neck curtain, hoods, sleeves, apron and gaiters.
Performance testing of partial protective garments shall be carried out on the complete assembly. Additional
protective clothing such as hoods, sleeves, apron and gaiters shall cover the intended areas if worn with a suit
of appropriate size and shall also meet the requirements of this International Standard.
4.3 Sizes
Garment sizes shall be in accordance with the requirements of ISO 13688.
Conformity shall be checked by visual inspection including an assessment of fit and physical measuring when
the appropriate size of clothing is donned by a wearer, when performing the movements normally encountered
during use.
4.4 Pockets
Where garments are constructed with pockets, the pockets shall be constructed to the following design:
a) pockets with external openings, including patch pockets shall be made of material(s) conforming to 6.7
and 6.8.
b) external opening pockets including pass through openings shall be flapped except for:
⎯ side pockets below the waist which do not extend more than 10° forward of the side seam;
⎯ a single rule pocket with an opening not greater than 75 mm placed behind the side seam on one or
both legs and measured flat;
c) all flaps shall be stitched down or capable of fastening the pocket closed. They shall be 20 mm wider than
the opening (10 mm on each side) to prevent the flap from being tucked into the pocket.
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oSIST prEN ISO 11611:2011
ISO/DIS 11611:2010 (E)
Conformity shall be checked by visual inspection and physical measurement.
4.5 Closures and seams
Closures shall be designed with a protective cover flap on the outside of the garment. The maximum distance
between buttonholes shall be 150 mm. If zippers are used, the slide fastener shall be designed to lock when
completely closed. Cuffs may be provided with closures to reduce their width. The closure and any fold which
it creates shall be on the underside of the cuff. Cuffs shall not have turn-ups.
Neck openings shall be provided with closures.
Trousers or one-piece suits shall not have turn-ups. They may have side slits which shall have a means of
closure and the slit and closure shall be covered.
Conformity shall be checked by visual inspection.
4.6 Hardware
Hardware penetrating the outer material of a heat and flame protective garment or garment assembly shall not
be exposed to the innermost surface of the garment or the garment assembly.
5 Sampling and pre-treatment
5.1 Sampling
Test samples shall be representative of the material or material assembly as used in the protective clothing to
be tested. If possible, all samples shall be taken from the garment. The number and size of the test specimens
required shall be in accordance with the relevant test methods.
The tests shall be carried out on the outer material of the garment unless it is mentioned in the appropriate
test clause of this International Standard to use the complete material assembly.
5.2 Pre-treatment of material
5.2.1 Pre-treatment by cleaning
Before each test specified in Clauses 6.1 to 6.10, except 6.5 and 6.6, the test materials and test specimens
shall be pre-treated by cleaning, if the manufacturer’s instructions indicate that cleaning is not allowed, i.e.
single use garments, then testing will be carried out on new material. In addition, 6.7 requires that the limited
flame spread tests shall be carried out both before the pre-treatment and after the pre-treatment, except for
single use garments.
Tests specified in 6.6 and 6.11.2 and 6.11.3 shall be carried out in the new state (as received).
The cleaning s
...
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