ISO 20345:2021/Amd 1:2024
(Amendment)Personal protective equipment — Safety footwear — Amendment 1
Personal protective equipment — Safety footwear — Amendment 1
Équipement de protection individuelle — Chaussures de sécurité — Amendement 1
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INTERNATIONAL ISO
STANDARD 20345
Third edition
2021-12
AMENDMENT 1
Personal protective equipment —
Safety footwear
AMENDMENT 1
Équipement de protection individuelle — Chaussures de sécurité
AMENDEMENT 1
PROOF/ÉPREUVE
Reference number
ISO 20345:2021/Amd.1:2023(E)
© ISO 2023
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ISO 20345:2021/Amd.1:2023(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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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
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Published in Switzerland
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ISO 20345:2021/Amd.1:2023(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 document 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).
ISO draws attention to the possibility that the implementation of this document may involve the use
of (a) patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed
patent rights in respect thereof. As of the date of publication of this document, ISO had not received
notice of (a) patent(s) which may be required to implement this document. However, implementers are
cautioned that this may not represent the latest information, which may be obtained from the patent
database available at www.iso.org/patents. ISO shall not be held responsible for identifying any or all
such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 94, Personal Safety – Personal protective
equipment, Subcommittee SC 3, Foot protection, in collaboration with the European Committee for
Standardization (CEN) Technical Committee CEN/TC 161, Foot and leg protectors, in accordance with
the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
Clause 2 Normative references
Update the reference to “ISO 20344:2021” with “ISO 20344:2021+Amd. 1:2023” and update the
references throughout the document accordingly.
Clause 2 Normative references
Change the title of EN 13832-3:2018 to read as follows:
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© ISO 2023 – All rights reserved PROOF/ÉPREUVE
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ISO 20345:2021/Amd.1:2023(E)
Personal protective equipment — Safety footwear
AMENDMENT 1
“Footwear protecting against chemicals — Part 3: Requirements for prolonged contact with
chemicals”
5.1, Table 2
In the section “Upper”, add an “X” in the last two cells of the the row “Tear strength” to read as follows:
Tear strength 5.4.3 X X X
In the section “Upper”, add an “X” in the last two cells of the the row “Water vapour permeability and
coefficient”, to read as follows:
Water vapour permeabil- 5.4.6 X X X
ity and coefficient
5.3.2.5
Replace the subclause with the following:
“When non-metallic toecaps are tested according to ISO 20344:2021+A1: 2023, 5.6.2 at an impact
energy of (200 ± 4) J, the clearance under the toecap, at the moment of impact, shall not be less than
the appropriate value
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ISO 20345:2021/PRF Amd. 1:2023(E) .
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ISO /TC 94/SC 3
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Date: 2023-11-18
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Secretariat: BSI
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Personal protective equipment — Safety footwear — Amendment
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AMENDMENT 1
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Équipement de protection individuelle — Chaussures de sécurité
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ISO 20345:2021/PRF Amd. 1:2023(E)
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© ISO 20232021
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All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this Formatted: Font: 11 pt, Bold
publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical,
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including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can
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be requested from either ISO at the address below or ISO’s member body in the country of the requester.
Gutter: 0 cm, Header distance from edge: 1.27 cm,
Footer distance from edge: 0.5 cm
ISO copyright office
CP 401 • Ch. de Blandonnet 8
Formatted: Default Paragraph Font
CH-1214 Vernier, Geneva
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Phone: + 41 22 749 01 11
Adjust space between Asian text and numbers
EmailE-mail: copyright@iso.org
Website: www.iso.orgwww.iso.org
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Published in Switzerland
Formatted: French (Switzerland)
ii © ISO 2023 – All rights reserved
ii © ISO 2023 – All rights reserved
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ISO 20345:2021/PRF Amd. 1:2023(E)
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Contents
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Foreword iv Formatted: Font: 11 pt, Bold
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© ISO 2023 – All rights reserved iii
© ISO 2023 – All rights reserved iii
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ISO 20345:2021/PRF Amd. 1:2023(E)
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Formatted: Font: 11 pt, Bold, Font color: Auto
Formatted: Font: 11 pt, Bold, Font color: Auto
Foreword
Formatted: Font: 11 pt, Bold, Font color: Auto
ISO (the International Organization for Standardization) is a worldwide federation of national standards
Formatted: Font: 11 pt, Bold
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
Formatted: Space After: 0 pt, Line spacing: single
through ISO technical committees. Each member body interested in a subject for which a technical
Formatted: Adjust space between Latin and Asian text,
committee has been established has the right to be represented on that committee. International
Adjust space between Asian text and numbers
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 document 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).
Formatted: English (United Kingdom)
ISO draws attention to the possibility that the implementation of this documen
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