Plastics — Determination of spray water delivery during spray cycles when using a xenon arc weathering test apparatus

This document specifies general procedures to determine the quantity of water sprayed on specimens during a spray cycle in a xenon arc weathering test apparatus.

Plastiques — Détermination du débit d'eau pendant les cycles de pulvérisation lors de l'utilisation d'une enceinte de vieillissement à arc au xénon

General Information

Status
Published
Publication Date
11-Mar-2021
Current Stage
6060 - International Standard published
Start Date
12-Mar-2021
Completion Date
12-Mar-2021
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ISO 23741:2021 - Plastics -- Determination of spray water delivery during spray cycles when using a xenon arc weathering test apparatus
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INTERNATIONAL ISO
STANDARD 23741
First edition
2021-03
Plastics — Determination of spray
water delivery during spray cycles
when using a xenon arc weathering
test apparatus
Plastiques — Détermination du débit d'eau pendant les cycles de
pulvérisation lors de l'utilisation d'une enceinte de vieillissement à
arc au xénon
Reference number
ISO 23741:2021(E)
ISO 2021
---------------------- Page: 1 ----------------------
ISO 23741:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021

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
ii © ISO 2021 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 23741:2021(E)
Contents Page

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

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

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

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

4 Principle ........................................................................................................................................................................................................................ 1

5 Apparatus ..................................................................................................................................................................................................................... 1

6 Procedure..................................................................................................................................................................................................................... 2

7 Calculation .................................................................................................................................................................................................................. 3

7.1 Calculation of water delivery amount ................................................................................................................................. 3

7.2 Calculation of water delivery uniformity ......................................................................................................................... 3

8 Test report ................................................................................................................................................................................................................... 3

Annex A (informative) Examples of water collection device configurations ..............................................................4

Bibliography ................................................................................................................................................................................................................................ 6

© ISO 2021 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO 23741:2021(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 61, Plastics, Subcommittee SC 6, Ageing,

chemical and environmental resistance.

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 2021 – All rights reserved
---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO 23741:2021(E)
Plastics — Determination of spray water delivery during
spray cycles when using a xenon arc weathering test
apparatus
1 Scope

This document specifies general procedures to determine the quantity of water sprayed on specimens

during a spray cycle in a xenon arc weathering test apparatus.
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 4892-1, Plastics — Methods of exposure to laboratory light sources — Part 1: General guidance

ISO 4892-2, Plastics — Methods of exposure to laboratory light sources — Part 2: Xenon-arc lamps

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
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 23741
ISO/TC 61/SC 6
Plastics — Determination of spray
Secretariat: DIN
water delivery during spray cycles
Voting begins on:
2020­12­24 when using a xenon arc weathering
test apparatus
Voting terminates on:
2021­02­18
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 23741:2020(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 2020
---------------------- Page: 1 ----------------------
ISO/FDIS 23741:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

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
CH­1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/FDIS 23741:2020(E)
Contents Page

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

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

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

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

4 Principle ........................................................................................................................................................................................................................ 1

5 Apparatus ..................................................................................................................................................................................................................... 1

6 Procedure..................................................................................................................................................................................................................... 2

7 Calculation .................................................................................................................................................................................................................. 3

7.1 Calculation of water delivery amount ................................................................................................................................. 3

7.2 Calculation of water delivery uniformity ......................................................................................................................... 3

8 Test report ................................................................................................................................................................................................................... 3

Annex A (informative) Examples of water collection device configurations ..............................................................4

Bibliography ................................................................................................................................................................................................................................ 6

© ISO 2020 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO/FDIS 23741:2020(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 non­governmental, 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 61, Plastics, Subcommittee SC 6, Ageing,

chemical and environmental resistance.

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 2020 – All rights reserved
---------------------- Page: 4 ----------------------
FINAL DRAFT INTERNATIONAL STANDARD ISO/FDIS 23741:2020(E)
Plastics — Determination of spray water delivery during
spray cycles when using a xenon arc weathering test
apparatus
1 Scope

This document specifies general procedures to determine the quantity of water sprayed on specimens

during a spray cycle in a xenon arc weathering test apparatus.
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 4892­1, Plastics — Methods of exposure to laboratory light sources — Part 1: General guidance

ISO 4892­2, Plastics — Methods of exposure to laboratory light sources — Part 2: Xenon-arc lamps

3 Terms and
...

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