ISO INTERNATIONAL STANDARD 20492-4 First edition 2010-08-15 Glass in buildings Insulating glass Part 4: Methods of test for the physical attributes of edge seals Verre dans la construction-Verre isolant- Partie 4: Methodes d'essai pour les caracteristiques physiques des joints d'assemblage Reference number ISO 20492-4:2010(E) @ ISO 2010 THS under Not for Resale ISO 20492-4:2010(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT @ISO2010 electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or Iso's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2010 -All rights reserved I without license from IHS Not for Resale ISO 20492-4:2010(E) Contents Page Foreword Introduction 1 Scope 2 Normative references. 3 Terms, definitions and symbols . 3.1 Terms and definitions. 3.2 Symbols.. 4 Requirements.. 4.1 Edgesealstrength 4.2 Compliance with the definition of insulating glass units. 5 Test methods. 5.1 Adhesion... 5.2 Moisturevapourtransmissionrate 5.3 Gas permeation test on film . 6 Test report. Annex A (normative) Test specimens for adhesion test Annex B (normative) Requirement for edge seal strength comparisons in case of substituting sealant... Annex C (normative) Method of measuring the moisture vapour transmission rate ... .14 Annex D (normative) Adhesion on coatings and interlayer adhesion of coatings. AnnexE(normative)Informativetests. 22 Annex F (informative) Example of a sun-simulating radiation source .23 Bibliography.. .24 ii from IHS Not for Resa