ISO/TS 14778:2021
(Main)Paper and board — Measurement of water contact angle by optical methods
Paper and board — Measurement of water contact angle by optical methods
This document specifies the method for optical assessment of the contact angle between water and the surface of paper and board, where the process of droplet formation, application to planar substrates, or measurement of the droplet shape in contact with the solid is performed by automated equipment. The limits of measurement are determined by the capabilities of the instrumentation used. The instrumental capabilities defined by this document use a digital image capturing system operating at a minimum of 50 frames per second and needs the ability to perform the first measurement after no more than 20 ms to 40 ms contact between the droplet and substrate. The test method is applicable to most kinds of paper or board however it cannot be applicable to structured materials.
Papier et carton — Mesurage de l'angle de contact de l'eau par des méthodes optiques
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TECHNICAL ISO/TS
SPECIFICATION 14778
First edition
2021-01
Paper and board — Measurement of
water contact angle by optical methods
Papier et carton — Mesurage de l'angle de contact de l'eau par des
méthodes optiques
Reference number
ISO/TS 14778:2021(E)
©
ISO 2021
---------------------- Page: 1 ----------------------
ISO/TS 14778:2021(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/TS 14778:2021(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and references . 1
4 Principle . 2
5 Reagents . 3
6 Apparatus . 3
7 Sampling . 5
8 Conditioning . 5
9 Preparation of test pieces . 5
10 Procedure. 6
10.1 General . 6
10.2 Mounting of the test piece . 6
10.3 Calibration and adjustment of apparatus . 6
10.4 Method of measurement . 7
11 Expression of results . 8
12 Test report .
...
TECHNICAL ISO/TS
SPECIFICATION 14778
First edition
Paper and board — Measurement of
water contact angle by optical methods
Papier et carton — Mesurage de l'angle de contact de l'eau par des
méthodes optiques
PROOF/ÉPREUVE
Reference number
ISO/TS 14778:2020(E)
©
ISO 2020
---------------------- Page: 1 ----------------------
ISO/TS 14778:2020(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
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii PROOF/ÉPREUVE © ISO 2020 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/TS 14778:2020(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and references . 1
4 Principle . 2
5 Reagents . 3
6 Apparatus . 3
7 Sampling . 5
8 Conditioning . 5
9 Preparation of test pieces . 5
10 Procedure. 6
10.1 General . 6
10.2 Mounting of the test piece . 6
10.3 Calibration and adjustment of apparatus . 6
10.4 Method of measurement . 7
11 Expression of results . 8
12 Test report .
...
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