Flexible cellular polymeric materials -- Polyurethane foam for laminate use -- Specification

This document specifies the minimum requirements for flexible polyurethane foams up to and including 20 mm thick intended for combination with suitable substrates such as non-woven, woven or knitted fabrics, to form a laminate. Three types of flexible polyurethane foam are specified as follows: — type 1: polyether; — type 2: polyester with minimum elongation at break of 200 %; — type 3: polyester with minimum elongation at break of 300 %.

Matériaux polymères alvéolaires souples -- Mousse de polyuréthanne pour utilisation sous forme de feuilles pour assemblages -- Spécifications

General Information

Status
Published
Publication Date
22-Aug-2019
Current Stage
6060 - International Standard published
Start Date
07-Aug-2019
Completion Date
23-Aug-2019
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ISO 6915:2019 - Flexible cellular polymeric materials -- Polyurethane foam for laminate use -- Specification
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INTERNATIONAL ISO
STANDARD 6915
Third edition
2019-08
Corrected version
2020-04
Flexible cellular polymeric
materials — Polyurethane foam for
laminate use — Specification
Matériaux polymères alvéolaires souples — Mousse de polyuréthanne
pour utilisation sous forme de feuilles pour assemblages —
Spécifications
Reference number
ISO 6915:2019(E)
ISO 2019
---------------------- Page: 1 ----------------------
ISO 6915:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019

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.
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Email: copyright@iso.org
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Published in Switzerland
ii © ISO 2019 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 6915:2019(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Appearance ................................................................................................................................................................................................................ 1

5 Joints ................................................................................................................................................................................................................................. 2

6 Odour ................................................................................................................................................................................................................................ 2

7 Dimensions ................................................................................................................................................................................................................. 2

7.1 Thickness ..................................................................................................................................................................................................... 2

7.2 Width ............................................................................................................................................................................................................... 2

7.3 Length ............................................................................................................................................................................................................. 2

8 Apparent density .................................................................................................................................................................................................. 3

9 Cell count ...................................................................................................................................................................................................................... 3

10 Performance requirements ....................................................................................................................................................................... 3

11 Packaging and marking ................................................................................................................................................................................. 3

Annex A (normative) Measurement of cell count .................................................................................................................................... 5

Annex B (normative) Measurement of solvent swelling .................................................................................................................. 7

© ISO 2019 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO 6915:2019(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 documents 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).

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. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

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 45, Rubber and rubber products,

Subcommittee SC 4, Products other than hoses.

This third edition cancels and replaces the second edition (ISO 6915:1991), of which it constitutes a

minor revision.
The main changes compared to the previous edition are as follows:
— normative reference has been updated

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.
This corrected version of ISO 6915:2019 incorporates the following corrections:
— in B.6.1, the measurements have been corrected from "250 pm" to "250 μm";

— in B.7.2, the key description for h has been corrected from "the diameter of the test piece [...]" to

"the thickness of the test piece[...] ".
iv © ISO 2019 – All rights reserved
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INTERNATIONAL STANDARD ISO 6915:2019(E)
Flexible cellular polymeric materials — Polyurethane foam
for laminate use — Specification
1 Scope

This document specifies the minimum requirements for flexible polyurethane foams up to and including

20 mm thick intended for combination with suitable substrates such as non-woven, woven or knitted

fabrics, to form a laminate.
Three types of flexible polyurethane foam are specified as follows:
— type 1: polyether;
— type 2: polyester with minimum elongation at break of 200 %;
— type 3: polyester with minimum elongation at break of 300 %.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements 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 845, Cellular plastics and rubbers — Determination of apparent density

ISO 1798, Flexible cellular polymeric materials — Determination of tensile strength and elongation at break

ISO 1923:1981, Cellular plastics and rubbers — Determination of linear dimensions

ISO 2440, Flexible and rigid cellular polymeric materials — Accelerated ageing tests

3 Terms and definitions
No terms and definitions are listed in this document.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
4 Appearance

4.1 The material shall consist of a uniform network of cells and shall be free from any flaws, stains and

other defects which might detrimentally affect the serviceability.

4.2 Material of thickness up to and including 6 mm shall lie flat when laid on a flat surface.

4.3 The material shall have no holes more than 3 mm in diameter through the full thickness of the

foam. The maximum number of holes of diameter between 1,5 mm and 3 mm in any 60 m2 of material

shall be not more than fo
...

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