ISO INTERNATIONAL STANDARD 48-1 First edition 2018-08 Rubber, vulcanized or thermoplastic - Determination of hardness Part 1: Introduction and guidance Caoutchouc vulcanisé ou thermoplastique - Détermination de la dureté- Partie 1: Introduction et lignes directrices Reference number IS0 48-1:2018(E) ISO @ IS0 2018 Provided by IHS Markit under license with ANSI IS0 48-1:2018(E) COPYRIGHTPROTECTEDDOCUMENT @IS02018 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 below or ISo's member body in the country of the requester. ISO copyright office CP 40i: Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @IS0 2018 -All rights reserved Provided by IHS Markit under iense withANS IS0 48-1:2018(E) Contents Page Foreword .iv Introduction 1 Seope.. 2 Normative references. 3 Terms and definitions r 4 Indentation hardnessx 5 Types of hardness test. 6 Significance 7 Uses ofhardnesstests 8 Choice of methods 9 Test piece. 10 Standard hardness blocks. 11 Comparison of hardness scales Bibliography. @ IS0 2018 - All rights reserved iii Provided by IHS Markit under license with ANSI