ISO/FDIS 7249

Textiles — Fibres — Determination of burning behaviour by oxygen index

Textiles — Fibres — Détermination du comportement au feu au moyen de l’indice d’oxygène

General Information

• Status: Not Published
• ICS: 59.060.01 - Textile fibres in general
• Technical Committee: ISO/TC 38/SC 23 - Fibres and yarns
• Drafting Committee: ISO/TC 38/SC 23 - Fibres and yarns
• Current Stage: 5020 - FDIS ballot initiated: 2 months. Proof sent to secretariat
• Start Date: 08-Nov-2023
• Completion Date: 08-Nov-2023

Standards Content (Sample)

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 7249
ISO/TC 38/SC 23
Textiles — Fibres — Determination of
Secretariat: KATS
burning behaviour by oxygen index
Voting begins on:
2023-11-08
Textiles — Fibres — Détermination du comportement au feu au
moyen de l’indice d’oxygène
Voting terminates on:
2024-01-03
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 SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 7249:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023

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ISO/FDIS 7249:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 7249
ISO/TC 38/SC 23
Textiles — Fibres — Determination of
Secretariat: KATS
burning behaviour by oxygen index
Voting begins on:
Textiles — Fibres — Détermination du comportement au feu au
moyen de l’indice d’oxygène
Voting terminates on:
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
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.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: [phone]
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: [e-mail]
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/FDIS 7249:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN­
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
  © ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023

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ISO/FDIS 7249:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Apparatus . 2
6 Preparation of the test specimens .5
6.1 Test specimens for staple fibres . 5
6.2 Test specimens for filament yarns . 6
6.3 Marking of test specimens . 6
7 Preconditioning and conditioning .6
7.1 Atmosphere for conditioning . 6
7.2 Pre­co
...

Style Definition
ISO/FDIS 7249:2023(E)
...
Formatted: Font: Bold, French (Switzerland)
ISO /TC 38/SC 23 N
Formatted: Section start: New page, Header distance
from edge: 1.27 cm, Footer distance from edge: 1.27
Date: 2023-10-13
cm
Formatted: French (Switzerland)
Secretariat: KATS
Formatted: zzCover large
Date: 2023-10-25
Formatted
...
Formatted: Cover Title_A1
Textiles — Fibres — Determination of burning behaviour by
oxygen index
Textiles — Fibres — Détermination du comportement au feu au moyen de l’indice d’oxygène
FDIS stage

---------------------- Page: 1 ----------------------
ISO/FDIS 7249:2023(E)
Formatted: Font: Bold
© ISO 2023
Formatted: Font color: Auto, English (United Kingdom)
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this
Formatted: Font color: Auto, English (United Kingdom)
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'sISO’s member body in the country of the requester.
Formatted: Font color: Auto, English (United Kingdom)
ISO Copyright Office copyright office
Formatted: Font color: Auto, English (United Kingdom)
CP 401 • Ch. de Blandonnet 8
Formatted: zzCopyright address
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Formatted: Font color: Auto, English (United Kingdom)
Formatted: Font color: Auto, English (United Kingdom)
Email: [e-mail]
E-mail: [e-mail] Formatted: zzCopyright address
Website: www.iso.orgwww.iso.org
Formatted: Font color: Auto, French (Switzerland)
Formatted: French (Switzerland)
Published in Switzerland.
Formatted: Font color: Auto, French (Switzerland)
Formatted: zzCopyright address
Formatted: Font color: Auto, French (Switzerland)
Formatted: Font color: Auto, English (United Kingdom)
Formatted: English (United Kingdom)
ii © ISO 2023 – All rights reserved
ii © ISO 2023 – All rights reserved

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ISO/FDIS 7249:2023(E)
Formatted: Left
Formatted: Font: Bold
Contents
Foreword . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Apparatus . 2
6 Preparation of the test specimens . 6
6.1 Test specimens for staple fibres . 6
6.2 Test specimens for filament yarns . 6
6.3 Marking of test specimens . 7
7 Preconditioning and conditioning . 7
7.1 Atmosphere for conditioning . 7
7.2 Pre-conditioning . 7
7.3 Conditioning . 7
7.4 Test specimens storage . 7
8 Procedure for determination of oxygen index (OI) . 7
8.1 Test environment . 7
8.2 Initial volume fraction of oxygen .
...