EN ISO 10545-20:2022

Ceramic tiles - Part 20: Determination of deflection of ceramic tiles for calculating their radius of curvature (ISO 10545-20:2022)

This document specifies a method for measuring the deflection of ceramic tiles for calculating their radius of curvature.
NOTE      ISO 13006 provides property requirements for tiles and other useful information on these products.

Keramische Fliesen und Platten - Prüfverfahren - Teil 20: Bestimmung der Durchbiegung von keramischen Fliesen und Platten zur Berechnung des Krümmungsradius (ISO 10545-20:2022)

Dieses Dokument legt ein Verfahren fest, um die Durchbiegung von keramischen Fliesen und Platten zur Berechnung ihres Krümmungsradius zu messen.
ANMERKUNG   ISO 13006 enthält Anforderungen an die Eigenschaften von Fliesen und Platten und weitere nützliche Angaben zu diesen Produkten.

Carreaux et dalles céramiques - Partie 20: Détermination de la flèche des carreaux et dalles céramiques pour calculer leur rayon de courbure (ISO 10545-20:2022)

Ce document spécifie une méthode permettant de mesurer la flèche des carreaux et dalles céramiques pour calculer leur rayon de courbure.
NOTE         L’ISO 13006 spécifie les exigences relatives aux propriétés des carreaux et dalles, et fournit d’autres informations utiles sur ces produits.

Keramične ploščice - 20. del: Ugotavljanje deformacije keramičnih ploščic za izračun njihovega polmera ukrivljenosti (ISO 10545-20:2022)

Ta standard določa preskusno metodo za ugotavljanje deformacije keramičnih ploščic za izračun njihovega polmera ukrivljenosti.

General Information

• Status: Published
• Publication Date: 05-Jul-2022
• Withdrawal Date: 30-Jan-2023
• ICS: 91.100.23 - Ceramic tiles
• Technical Committee: CEN/TC 67 - Ceramic tiles
• Drafting Committee: CEN/TC 67/WG 1 - Test methods
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 06-Jul-2022
• Completion Date: 06-Jul-2022
• Ref Project: SIST EN ISO 10545-20:2022 - Ceramic tiles - Part 20: Determination of deflection of ceramic tiles for calculating their radius of curvature (ISO 10545-20:2022)

Overview

EN ISO 10545-20:2022 - "Ceramic tiles - Part 20: Determination of deflection of ceramic tiles for calculating their radius of curvature" - specifies a standardized laboratory method to measure the deflection of ceramic tiles under a central load (three-point test) and to calculate the tile’s radius of curvature. The method is intended for use in quality control, product characterization and conformity assessment within the tile industry and testing laboratories.

Key topics and requirements

• Test principle: Measure central deflection at breaking (Z) during a three-point bending test and compute the curvature radius using a circle-approximation formula:
  r = (l² + 4·Z²) / (8·Z)
  where r = curvature radius, l = span between supports, Z = deflection at breaking.
• Specimens: Random selection from the production lot; recommended specimen sizes vary with thickness (examples in the standard). Minimum of seven specimens; cut specimens allowed when agreed.
• Preconditioning: Dry specimens in an oven at (105 ± 5) °C for at least 24 h, cool to room temperature and test within 3 h.
• Apparatus requirements:
  • Recording pressure gauge (accuracy 2.0%).
  • Support and central cylindrical rods with rubber coverings (rubber hardness 50 ± 5 IRHD, ISO 48‑2). Typical rod diameter 20 mm, rubber thickness 5 mm, overlap 10 mm.
  • Deflection measurement device able to resolve ≤ 0.03 mm and register center deflection (accuracy including self-weight ≤ 0.1 mm). If equipment introduces systematic deformation, measured Z must be corrected.
• Procedure: Place specimen with long side perpendicular to support rods, apply load per ISO 10545-4 procedures, record breaking load (F) and deflection at breaking (Z).
• Reporting: Include reference to EN ISO 10545-20:2022, tile description, specimen dimensions, d/t/l values, individual and mean Z and F values, and calculated curvature radii.

Applications and users

• Tile manufacturers: product development, process control and specification of tile flatness/curvature.
• Independent testing laboratories: standardized test reports for certification and compliance.
• Architects and specifiers: assessing suitability of tiles for curved installations or large-format applications.
• Quality managers and regulatory bodies: ensuring consistent measurement of tile deformation characteristics.

Related standards

• ISO 10545 series (tests for ceramic tiles) - this part complements other mechanical tests (e.g., ISO 10545‑4 for breaking strength).
• ISO 13006 - provides property requirements and additional information for tiles and may be referenced for classification and conformity.

Keywords: EN ISO 10545-20:2022, ceramic tiles, deflection measurement, radius of curvature, three-point test, tile testing, tile quality control.

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2022
Keramične ploščice - 20. del: Ugotavljanje deformacije keramičnih ploščic za
izračun njihovega polmera ukrivljenosti (ISO 10545-20:2022)
Ceramic tiles - Part 20: Determination of deflection of ceramic tiles for calculating their
radius of curvature (ISO 10545-20:2022)
Keramische Fliesen und Platten - Prüfverfahren - Teil 20: Bestimmung der Durchbiegung
von keramischen Fliesen und Platten zur Berechnung des Krümmungsradius (ISO
10545-20:2022)
Carreaux et dalles céramiques - Partie 20: Détermination de la flèche des carreaux et
dalles céramiques pour calculer leur rayon de courbure (ISO 10545-20:2022)
Ta slovenski standard je istoveten z: EN ISO 10545-20:2022
ICS:
91.100.23 Keramične ploščice Ceramic tiles
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 10545-20
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2022
EUROPÄISCHE NORM
ICS 91.100.23
English Version
Ceramic tiles - Part 20: Determination of deflection of
ceramic tiles for calculating their radius of curvature (ISO
10545-20:2022)
Carreaux et dalles céramiques - Partie 20: Keramische Fliesen und Platten - Prüfverfahren - Teil
Détermination de la flèche des carreaux et dalles 20: Bestimmung der Durchbiegung von keramischen
céramiques pour calculer leur rayon de courbure (ISO Fliesen und Platten zur Berechnung des
10545-20:2022) Krümmungsradius (ISO 10545-20:2022)
This European Standard was approved by CEN on 5 June 2022.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 10545-20:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 10545-20:2022) has been prepared by Technical Committee ISO/TC 189
"Ceramic tile" in collaboration with Technical Committee CEN/TC 67 “Ceramic tiles” the secretariat of
which is held by UNI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by January 2023, and conflicting national standards shall
be withdrawn at the latest by January 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 10545-20:2022 has been approved by CEN as EN ISO 10545-20:2022 without any
modification.
INTERNATIONAL ISO
STANDARD 10545-20
First edition
2022-06
Ceramic tiles —
Part 20:
Determination of deflection of ceramic
tiles for calculating their radius of
curvature
Carreaux et dalles céramiques —
Partie 20: Détermination de la flèche des carreaux et dalles
céramiques pour calculer leur rayon de courbure
Reference number
ISO 10545-20:2022(E)
ISO 10545-20:2022(E)
© 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: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
ISO 10545-20:2022(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Apparatus . 2
6 Test specimens . 2
7 Procedure .3
8 Calculation . 3
9 Test report . 4
Bibliography . 6
iii
ISO 10545-20:2022(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
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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
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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 Introdu
...