ISO 16840-10:2021/Amd 1:2024

International
Standard
ISO 16840-10
Second edition
Wheelchair seating —
2021-06
Part 10:
AMENDMENT 1
Resistance to ignition of postural
support devices — Requirements
and test method
AMENDMENT 1: Amended with
additional Annexes
Sièges de fauteuils roulants —
Partie 10: Résistance à l'inflammation des dispositifs de soutien
postural — Exigences et méthode d'essai
AMENDEMENT 1: Annexes supplémentaires
PROOF/ÉPREUVE
Reference number
ISO 16840-10:2021/Amd.1:2024(en) © ISO 2024

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ISO 16840-10:2021/Amd.1:2024(en)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2024
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
PROOF/ÉPREUVE
© ISO 2024 – All rights reserved
ii

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ISO 16840-10:2021/Amd.1:2024(en)
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 173, Assistive products Sub-committee SC1,
Wheelchairs.
A list of all parts in the ISO 16840 series can be found on the ISO website.
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.
PROOF/ÉPREUVE
© ISO 2024 – All rights reserved
iii

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ISO 16840-10:2021/Amd.1:2024(en)
Wheelchair seating —
Part 10:
Resistance to ignition of postural support devices —
Requirements and test method
AMENDMENT 1: Amended with additional Annexes

Clause 4
Replace the first paragraph with the following:
Test materials used in integrated and non-integrated seat and back supports, and other postural support
devices as used in wheelchairs are assembled in either horizontal or vertical samples and subjected to a heat
source that is equivalent to a smouldering cigarette. The resulting effects on the test materials are observed
and measured.

6.4
Change NOTE 4 to read:
NOTE 4 Other means, such as a NiCr coil, that achieve the same heat transfer to the test sample, can be used as an
alternative heat source (see Annexes D and E).

6.5
Replace the first paragraph with the following:
Prior to conditioning described in this subclause, any removable covering materials which have been
subjected to water-soluble flame retardants shall be subjected to the washing and drying procedures
...

ISO 16840-10:2021/DAMPRF Amd 1:2023(E)
ISO/TC 173/SC 1/WG 11
Secretariat: SABS
Date: 2023-10-092024-02-26
Wheelchair seating — —
Part 10:
Resistance to ignition of postural support devices — Requirements
and test methods
method
AMENDMENT 1: Amended with additional Annexes
Sièges de fauteuils roulants —
Partie 10: Résistance à l'inflammation des dispositifs de soutien postural — Exigences et méthode d'essai
AMENDEMENT 1: Annexes supplémentaires
PROOF

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ISO 16840-10:2021/DAMPRF Amd 1:2023(E(en)
© ISO 2024
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
EmailE-mail: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2023 – All rights reserved
© ISO 2024 – All rights reserved

ii

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ISO 16840-10:2021/DAMPRF Amd 1:2023(E(en)
Contents
© ISO 2024 – All rights reserved

iii
© ISO 2023 – All rights reserved iii

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ISO 16840-10:2021/DAMPRF Amd 1:2023(E(en)
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 173, Assistive products Sub-committee SC1,
Wheelchairs.
This document provides the detail of an additional validated test method as described in new Informative
Annexes D, E, and F.
A list of all parts in the ISO 16840 series can be found on the ISO website.
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.
iv © ISO 2023 – All rights reserved
© ISO 2024 – All rights reserved

iv

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ISO 16840-10:2021/DAM 1:2023(E)
Wheelchair Seating — seating —
Part 10:
Resistance to ignition of postural support devices — Requirements
and test methods
method
AMENDMENT 1: Amended andwith additional Annexes

Clause 4 change
TheReplace the first paragraph is changed to readwith the following:
Test materials used in integrated and non-integrated seat and back supports, and other postural support
devices as used in wheelchairs are assembled in either horizontal or vertical samples and subjected to a heat
source that is equivalent to a smouldering cigarette. The resulting effects on the test materials are observed
and measured.

Clause 6.4 change
Not
...