ISO/TS 23927:2024

FINAL DRAFT
Technical
Specification
ISO/DTS 23927
ISO/TC 61/SC 13
Laminates and moulding
Secretariat: JISC
compounds — Prepregs —
Voting begins on:
Determination of tack
2023-12-29
Stratifiés et composés à mouler — Préimprégnés —
Voting terminates on:
Détermination du tack
2024-02-23
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
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
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.
Reference number
ISO/DTS 23927:2023(en) © ISO 2023

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FINAL DRAFT
ISO/DTS 23927:2023(en)
Technical
Specification
ISO/DTS 23927
ISO/TC 61/SC 13
Laminates and moulding
Secretariat: JISC
compounds — Prepregs —
Voting begins on:
Determination of tack
Stratifiés et composés à mouler — Préimprégnés —
Voting terminates on:
Détermination du tack
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
COPYRIGHT PROTECTED DOCUMENT
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2023
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
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 Reference number
ISO/DTS 23927:2023(en) © ISO 2023

© ISO 2023 – All rights reserved
ii

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ISO/DTS 23927:2023(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus . 2
5.1 Probe .3
5.2 Support platen .3
5.3 Force measurement system .3
5.4 Tension/compression testing machine .4
...

ISO /DTS 23927
ISO /TC 61/SC 13/WG 2
Secretariat: JISC
Date: 2023-12-15
Laminates and moulding compounds – — Prepregs –—
Determination of tack

DTS stage

Warning for WDs and CDs
This document is not an ISO International Standard. It is distributed for review and comment. It is subject to
change without notice and may not be referred to as an International Standard.
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.

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© ISO 2018
Stratifiés et composés à mouler — Préimprégnés — Détermination du tack

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ISO /DTS 23927:(E)
© 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.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Fax: +41 22 749 09 47
EmailE-mail: copyright@iso.org
Website: www.iso.orgwww.iso.org
Published in Switzerland
© ISO #### 2023 – All rights reserved

iii

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ISO /DTS 23927:(E)
Content
Foreword ⅳ
Introduction ⅴ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Principle 2
5 Apparatus 3
5.1 Probe 3
5.2 Support platen 3
5.3 Force measurement system 3
5.4 Tension/compression testing machine 4
5.4.1 Test speed 4
5.4.2 Recording of data 4
6 Test specimens 4
7 Number of test specimens 4
8 Conditioning 4
9 Procedure 4
9.1 Test atmosphere 4
9.2 Probe setting 4
9.3 Specimen seating 5
9.4 Test speed 5
9.4.1 Contacting the specimen 5
9.4.2 Measurement of the tack force 5
10 Expression of results 6
10.1 Tack(force) 6
10.2 Tacl(stress) 6
11 Test report 6
Annex A (informative) Determination of Tack 7
Bibliography 8



iv © ISO #### 2023 – All rights reserved

iv

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ISO /DTS 23927:(E)
Contents
Foreword . vi
Introduction. vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Apparatus . 3
5.1 Probe . 4
5.2 Support platen . 4
5.3 Force measurement system . 4
5.4 Tension/compression testing machine . 4
5.4.1 Test speed . 4
5.4.2 Recording of data . 5
6 Test specimens . 5
7 Number of test specimens . 5
8 Conditioning .
...