Ceramic tiles — Part 18: Determination of light reflectance value (LRV)

The objective of this document is to define a test method to determine the light reflectance value (LRV) of ceramic tiles, including mosaic tiles. It is applicable to solid-coloured, multicoloured and non-uniform shade tile surfaces including tile with flame effects, speckled or textured with different types of finishing.

Carreaux et dalles céramiques — Partie 18: Détermination de la valeur de réflectance lumineuse (LRV)

L'objectif du prèsent document est de définir une méthode d'essai permettant de déterminer la valeur de réflectance lumineuse (LRV) des carreaux céramiques, y compris celle des carreaux de mosaïque. Cette méthode s'applique aux carreaux de couleur unie ou aux surfaces multicolores, avec des effets de flammes, mouchetés ou texturés, avec différents types de finition.

General Information

Status
Published
Publication Date
21-Mar-2022
Technical Committee
Current Stage
5020 - FDIS ballot initiated: 2 months. Proof sent to secretariat
Start Date
01-Dec-2021
Completion Date
01-Dec-2021
Ref Project

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INTERNATIONAL ISO
STANDARD 10545-18
First edition
2022-03
Ceramic tiles —
Part 18:
Determination of light reflectance
value (LRV)
Carreaux et dalles céramiques —
Partie 18: Détermination de la valeur de réflectance lumineuse (LRV)
Reference number
ISO 10545-18:2022(E)
© ISO 2022
---------------------- Page: 1 ----------------------
ISO 10545-18:2022(E)
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.
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
© ISO 2022 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 10545-18:2022(E)
Contents Page

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

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

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

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

4 Principle ........................................................................................................................................................................................................................ 2

5 Apparatus .................................................................................................................................................................................................................... 2

5.1 Type of instrument ............................................................................................................................................................................. 2

5.2 Instrument setup .................................................................................................................................................................................. 2

5.3 Instrument calibration and standards .............................................................................................................................. 2

6 Preparation of test specimens .............................................................................................................................................................. 3

6.1 Solid coloured tiles .............................................................................................................................................................................. 3

6.2 Multi-coloured, non-uniform shade, speckled or textured surface tile ............................................... 3

7 Test ..................................................................................................................................................................................................................................... 3

7.1 Measurement on solid coloured surfaces ....................................................................................................................... 3

7.2 Measurement on multi-coloured surfaces ..................................................................................................................... 3

7.3 Measurement on non-uniform shade, speckled or textured surface ..................................................... 4

8 Test report .................................................................................................................................................................................................................. 4

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

iii
© ISO 2022 – All rights reserved
---------------------- Page: 3 ----------------------
ISO 10545-18:2022(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 189, Ceramic tile, in collaboration with

the European Committee for Standardization (CEN) Technical Committee CEN/TC 67, Ceramic tiles, in

accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).

A list of all parts in the ISO 10545 series can be found on the ISO website.

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.
© ISO 2022 – All rights reserved
---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO 10545-18:2022(E)
Ceramic tiles —
Part 18:
Determination of light reflectance value (LRV)
1 Scope

The objective of this document is to define a test method to determine the light reflectance value (LRV)

of ceramic tiles, including mosaic tiles.

It is applicable to solid-coloured, multicoloured and non-uniform shade tile surfaces including tile with

flame effects, speckled or textured with different types of finishing.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

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

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1
solid coloured surface
surface with colour uniformity and same shade value
3.2
multi-coloured surface

surface formed by distinct areas of different colour, which when viewed from a distance of 3 m, remain

distinct, or surface formed from small colour specks, which when viewed from a distance of 1 m,

assume the appearance of one colour
3.3
non-uniform shade surface
surface with a certain shade variability
3.4
speckled surface
surface or covered with small marks, spots, or shake
3.5
textured surface

surface that causes extreme angular dependences of reflected light and that has a superficial texture

with maximum peak-valley distance <2 mm
© ISO 2022 – All rights reserved
---------------------- Page: 5 ----------------------
ISO 10545-18:2022(E)
3.6
light reflectance value
LRV
value eq
...

NORME ISO
INTERNATIONALE 10545-18
Première édition
2022-03
Carreaux et dalles céramiques —
Partie 18:
Détermination de la valeur de
réflectance lumineuse (LRV)
Ceramic tiles —
Part 18: Determination of light reflectance value (LRV)
Numéro de référence
ISO 10545-18:2022(F)
© ISO 2022
---------------------- Page: 1 ----------------------
ISO 10545-18:2022(F)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2022

Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette

publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,

y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut

être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.

ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: +41 22 749 01 11
E-mail: copyright@iso.org
Web: www.iso.org
Publié en Suisse
© ISO 2022 – Tous droits réservés
---------------------- Page: 2 ----------------------
ISO 10545-18:2022(F)
Sommaire Page

Avant-propos .............................................................................................................................................................................................................................iv

1 Domaine d'application ...................................................................................................................................................................................1

2 Références normatives ..................................................................................................................................................................................1

3 Termes et définitions ...................................................................................................................................................................................... 1

4 Principe.......................................................................................................................................................................................................................... 2

5 Appareillage .............................................................................................................................................................................................................. 2

5.1 Type d'instrument ............................................................................................................................................................................... 2

5.2 Configuration de l'instrument .................................................................................................................................................. 2

5.3 Étalonnage des instruments et étalons ........................................................................................................................... 2

6 Préparation des éprouvettes d’essai .............................................................................................................................................. 3

6.1 Carreaux de couleur unie .............................................................................................................................................................. 3

6.2 Carreaux multicolores, à teinte non uniforme, à surface mouchetée ou texturée ..................... 3

7 Essai ................................................................................................................................................................................................................................... 3

7.1 Mesure sur des surfaces de couleur unie ........................................................................................................................ 3

7.2 Mesure sur des surfaces multicolores ............................................................................................................................... 4

7.3 Mesure sur une teinte non uniforme, une surface mouchetée ou texturée ..................................... 4

8 Rapport d’essai ...................................................................................................................................................................................................... 5

Bibliographie .............................................................................................................................................................................................................................. 6

iii
© ISO 2022 – Tous droits réservés
---------------------- Page: 3 ----------------------
ISO 10545-18:2022(F)
Avant-propos

L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes

nationaux de normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est

en général confiée aux comités techniques de l'ISO. Chaque comité membre intéressé par une étude

a le droit de faire partie du comité technique créé à cet effet. Les organisations internationales,

gouvernementales et non gouvernementales, en liaison avec l'ISO participent également aux travaux.

L'ISO collabore étroitement avec la Commission électrotechnique internationale (IEC) en ce qui

concerne la normalisation électrotechnique.

Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont

décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier, de prendre note des différents

critères d'approbation requis pour les différents types de documents ISO. Le présent document a

été rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2 (voir

www.iso.org/directives).

L'attention est attirée sur le fait que certains des éléments du présent document peuvent faire l'objet de

droits de propriété intellectuelle ou de droits analogues. L'ISO ne saurait être tenue pour responsable

de ne pas avoir identifié de tels droits de propriété et averti de leur existence. Les détails concernant

les références aux droits de propriété intellectuelle ou autres droits analogues identifiés lors de

l'élaboration du document sont indiqués dans l'Introduction et/ou dans la liste des déclarations de

brevets reçues par l'ISO (voir www.iso.org/brevets).

Les appellations commerciales éventuellement mentionnées dans le présent document sont données

pour information, par souci de commodité, à l’intention des utilisateurs et ne sauraient constituer un

engagement.

Pour une explication de la nature volontaire des normes, la signification des termes et expressions

spécifiques de l'ISO liés à l'évaluation de la conformité, ou pour toute information au sujet de l'adhésion

de l'ISO aux principes de l’Organisation mondiale du commerce (OMC) concernant les obstacles

techniques au commerce (OTC), voir www.iso.org/avant-propos.

Le présent document a été élaboré par le comité technique ISO/TC 189, Carreaux en céramique. en

collaboration avec le comité technique CEN/TC 67, Carreaux et dalles céramiques, du Comité européen

de normalisation (CEN) conformément à l’Accord de coopération technique entre l’ISO et le CEN (Accord

de Vienne).

Une liste de toutes les parties de la série ISO 10545 se trouve sur le site web de l’ISO.

Il convient que l’utilisateur adresse tout retour d’information ou toute question concernant le présent

document à l’organisme national de normalisation de son pays. Une liste exhaustive desdits organismes

se trouve à l’adresse www.iso.org/fr/members.html.
© ISO 2022 – Tous droits réservés
---------------------- Page: 4 ----------------------
NORME INTERNATIONALE ISO 10545-18:2022(F)
Carreaux et dalles céramiques —
Partie 18:
Détermination de la valeur de réflectance lumineuse (LRV)
1 Domaine d'application

L'objectif du prèsent document est de définir une méthode d'essai permettant de déterminer la valeur

de réflectance lumineuse (LRV) des carreaux céramiques, y compris celle des carreaux de mosaïque.

Cette méthode s'applique aux carreaux de couleur unie ou aux surfaces multicolores, avec des effets de

flammes, mouchetés ou texturés, avec différents types de finition.
2 Références normatives
Le présent document ne contient aucune référence normative.
3 Termes et définitions

Pour les besoins du présent document, les termes et définitions suivants s’appliquent.

L’ISO et l’IEC tiennent à jour des bases de données terminologiques destinées à être utilisées en

normalisation, consultables aux adresses suivantes:

— ISO Online browsing platform: disponible à l’adresse https:// www .iso .org/ obp

— IEC Electropedia: disponible à l’adresse https:// www .electropedia .org/
3.1
surface de couleur unie
surface avec une uniformité de couleur et une même valeur de teinte
3.2
surface multicolore

surface formée par des zones distinctes de couleurs différentes, qui, vues à une distance de 3 m, restent

distinctes, ou surface formée de petites taches de couleur, qui, vues à une distance de 1 m, prennent

l'apparence d'une seule couleur
3.3
surface de nuance non uniforme
surface avec une certaine variabilité de teinte
3.4
surface mouchetée
surface couverte de petites marques, tâches ou empreintes
3.5
surface texturée

surface causant des dépendances angulaires extrêmes de la lumière réfléchie et présentant une texture

de surface avec une distance pic-vallée maximum <2 mm
© ISO 2022 – Tous droits réservés
---------------------- Page: 5 ----------------------
ISO 10545-18:2022(F)
3.6
valeur de réflectance lumineuse
LRV

valeur équivalente à la composante trichromatique CIE Y, aussi connue en tant que facteur de

luminescence
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 10545-18
ISO/TC 189
Ceramic tiles —
Secretariat: ANSI
Voting begins on:
Part 18:
2021-12-01
Determination of light reflectance
Voting terminates on:
value (LRV)
2022-01-26
Carreaux et dalles céramiques —
Partie 18: Détermination de la valeur de réflectance lumineuse (LRV)
ISO/CEN PARALLEL PROCESSING
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 10545-18:2021(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 2021
---------------------- Page: 1 ----------------------
ISO/FDIS 10545-18:2021(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
© ISO 2021 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/FDIS 10545-18:2021(E)
Contents Page

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

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

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

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

4 Principle ........................................................................................................................................................................................................................ 2

5 Apparatus .................................................................................................................................................................................................................... 2

5.1 Type of instrument ............................................................................................................................................................................. 2

5.2 Instrument setup .................................................................................................................................................................................. 2

5.3 Instrument calibration and standards .............................................................................................................................. 2

6 Preparation of test specimens .............................................................................................................................................................. 3

6.1 Solid coloured tiles .............................................................................................................................................................................. 3

6.2 Multi-coloured, non-uniform shade, speckled or textured surface tile ............................................... 3

7 Test ..................................................................................................................................................................................................................................... 3

7.1 Measurement on solid coloured surfaces ....................................................................................................................... 3

7.2 Measurement on multi-coloured surfaces ..................................................................................................................... 3

7.3 Measurement on non-uniform shade, speckled or textured surface ..................................................... 4

8 Test report .................................................................................................................................................................................................................. 4

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

iii
© ISO 2021 – All rights reserved
---------------------- Page: 3 ----------------------
ISO/FDIS 10545-18:2021(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 189, Ceramic tile, in collaboration with

the European Committee for Standardization (CEN) Technical Committee CEN/TC 67, Ceramic tiles, in

accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).

A list of all parts in the ISO 10545 series can be found on the ISO website.

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.
© ISO 2021 – All rights reserved
---------------------- Page: 4 ----------------------
FINAL DRAFT INTERNATIONAL STANDARD ISO/FDIS 10545-18:2021(E)
Ceramic tiles —
Part 18:
Determination of light reflectance value (LRV)
1 Scope

The objective of this document is to define a test method to determine the light reflectance value (LRV)

of ceramic tiles, including mosaic tiles.

It is applicable to solid-coloured, multicoloured and non-uniform shade tile surfaces including tile with

flame effects, speckled or textured with different types of finishing.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

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

— ISO Online browsing platform: available at https:// www. iso. org/o bp
— IEC Electropedia: available at https:// www.e lectropedia. org/
3.1
solid coloured surface
surface with colour uniformity and same shade value
3.2
multi-coloured surface

surface formed by distinct areas of different colour, which when viewed from a distance of 3 m, remain

distinct, or surface formed from small colour specks, which when viewed from a distance of 1 m,

assume the appearance of one colour
3.3
non-uniform shade surface
surface with a certain shade variability
3.4
speckled surface
surface or covered with small marks, spots, or shake
3.5
textured surface
surf
...

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