ISO 20567-4:2023

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 20567-4
ISO/TC 35/SC 9
Paints and varnishes — Determination
Secretariat: BSI
of stone-chip resistance of coatings —
Voting begins on:
2022-12-12
Part 4:
Voting terminates on:
Mobile multi-impact testing on a small
2023-02-06
testing area
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 20567-4:2022(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 2022

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ISO/FDIS 20567-4:2022(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 20567-4
ISO/TC 35/SC 9
Paints and varnishes — Determination
Secretariat: BSI
of stone-chip resistance of coatings —
Voting begins on:
Part 4:
Voting terminates on:
Mobile multi-impact testing on a small
testing area
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022
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: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: copyright@iso.org
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 20567-4:2022(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 2022 – All rights reserved
NATIONAL REGULATIONS. © ISO 2022

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ISO/FDIS 20567-4:2022(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus and test equipment . 2
5.1 Stone-chip resistance tester . 2
5.2 Consumables . . . 5
5.2.1 Chilled-iron grit . 5
6 Apparatus functional test . 6
7 Procedure .
...

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ISO/FDIS 20567--4:2022(E)
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ISO TC 35/SC 9/WG 31
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Date: 2022-11-25
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Secretariat: BSI
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Paints and varnishes — Determination of stone-chip resistance of coatings — Part 4:
Mobile multi-impact testing on a small testing area
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ISO/DIS FDIS 20567-4:2022(E)
© ISO 2022 Formatted
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.orgwww.iso.org
Formatted: English (United Kingdom)
Formatted: English (United Kingdom)
Published in Switzerland
Formatted: Font: 11 pt
Formatted: Space After: 0 pt, Line spacing: single
2 © ISO 2022 – All rights reserved
ii © ISO 2022 – All rights reserved

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ISO/DIS FDIS 20567-4:2022(E)
Contents
Foreword . iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus and test equipment . 2
5.1 Stone-chip resistance tester . 2
5.2 Consumables . 5
6 Apparatus functional test . 6
7 Procedure . 6
8 Evaluation . 7
9 Test report . 8
Annex A (normative) Pictorial reference standards for evaluating stone-chip resistance . 9
Annex B (informative) Examples of suitable methods for removing loose coating . 10
...