ISO INTERNATIONAL STANDARD 20029-1 First edition 2017-11 Plastics Thermoplastic polyester/ ester and polyether/ester elastomers for moulding and extrusion - Part 1: Designation system and basis for specification Plastiques - Elastomeres thermoplastiques a base de polyester/ester etpolyether/esterpourmoulageetextrusion Partie1:Systemededésignation etbase de specifications Reference number ISO 20029-1:2017(E) ISO @IS02017 IS020029-1:2017(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, 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 Ch.de Blandonnet 8.CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org ii IS02017-Allrights reserved IS020029-1:2017(E) Contents Page Foreword iv Introduction. A 1 Scope. .1 2 Normativereferences .1 3 Terms and definitions 1 4 Designation system 2 4.1 General 2 4.2 Data block 1 2 4.3 Data block 2 3 4.4 Data block 3 4 4.5 Datablock4 4 4.5.1 General. 4 4.5.2 Hardness. 5 4.5.3 Melting temperature 5 4.5.4 Tensile/flexuralmodulusofelasticity 6 4.6 Datablock5 6 5 Examplesofdesignations 6 AnnexA(informative)Definitionofthermoplasticpolyester/esterandpolyether/ estercopolymerelastomers .9 Bibliography .11 @ IS0 2017- All rights reserved iii