ISO INTERNATIONAL STANDARD 20392 First edition 2007-06-15 Thermal-insulating materials - Determination of compressive creep Materiaux d'isolation thermique - Détermination du fluage en compression Reference number ISO 20392:2007(E) @ ISO 2007 vided by IHS under lic itted without license from IHS Not for Resale ISO 20392:2007(E) PDF disclaimer 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 downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat 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. COPYRIGHT PROTECTED DOCUMENT @ISO2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2007 - All rights reserved Tby IHS unde I without license from IHS Not for Resale ISO 20392:2007(E) Contents Page Foreword 1 Scope 2 Normative references 3 Terms and definitions.. 4 Principle.. 5 Apparatus 6 Test specimens 7 Procedure .... 8 Calculation and expression of results. 9 9 10 Test report ... AnnexA(normative)Calculationoflong-termcompressivecreep Annex B (informative) Example of a linear regression analysis Bibliography...... CopyrightInternational Oganizaonsandardizalonghtsreserved ii Ise from IHS Not for Resale ISO 20392:2007(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 non-governmental,inliaisonwithIsO,also take part in the work.Iso collaborates closely withthe International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote 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. ISO 20392 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 10, Cellular plastics. @ Iso 2007 - All rights reserved ional Organization for Standardization INTERNATIONAL STANDARD ISO 20392:2007(E) Thermal-insulating materials Determination of compressive creep Scope This International Standard specifies equipment and procedures for determining the compressive creep of test specimens under various conditions of stress. It is applicable to thermal-insulation products. 2 Normative references references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. Iso 844, Rigid cellular plastics - Determination of compression properties Iso 1923, Cellular plastics and rubbers — Determination of linear dimensions Terms and definitions For the purposes of this document, the following terms and definitio