ISO/TR TECHNICAL REPORT 12134 First edition 2010-02-15 Rubber Estimation of uncertainty for test methods Non-functional parameters Caoutchouc - Estimation de I'incertitude des méthodes d'essai- Parametresnonfonctionnels Reference number ISO/TR 12134:2010(E) @ ISO 2010 by IHS under lic itted without license from IHS Not for Resale ISO/TR 12134:2010(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 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 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 @ ISO 2010 - All rights reserved edwithoutlicense from IHS Not for Resale ISO/TR 12134:2010(E) Contents Page Foreword Introduction 1 Scope, 2 Summary of preparing an uncertainty budget, 3 The elements of the uncertainty budget .. 4 Selected test methods and sources of uncertainty.. 4.1 General .... 4.2 4.3 Tensilestrength(ormodulus)... 4.4 Elongation at break .... 4.5 Tearstrength. 4.6 Compressionset 4.7 Hardness 4.8 Heat ageing 4.9 Effect of liquids (volume swell). 4.10 Abrasion resistance...... 4.11 Gehmanlow-temperaturestiffness 4.12 Impactbrittleness.. 4.13 Temperature of retraction test . 4.14 Ozoneresistance.. 4.15 Stress relaxation.. 5 Methods of deriving uncertainty estimates for non-functional parameters.. 5.1 Empirical evaluation.... 5.2 Calculation .... .8 5.3 Expert opinion .. 5.4 Interlaboratory testing ... Bibliography. Copyrght International OrganizaionforStandardizalon'ghts reserved ii Not for Resale