ISO INTERNATIONAL STANDARD 13636 First edition 2012-10-01 Plastics Film and sheeting Non-oriented poly(ethylene terephthalate) (PET) sheets Plastiques - Film et feuille - Films en poly(éthylene terephtalate) (PET) non-orientés Reference number IS0 13636:2012(E) LSO IS02012 HS under Noreproo ted without license from IHS Not for Resale IS0 13636:2012(E) COPYRIGHTPROTECTEDDOCUMENT IS02012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IsO at the addressbeloworIso'smemberbodyinthecountryoftherequester. ISO copyright office Case postale 56:CH-1211 Geneva 20 Tel.+41227490111 Fax +41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2012 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 13636:2012(E) Contents Page Foreword ..iv Introduction. 1 Scope. 2 Normative references 3 Terms and definitions 4 Material. .1 5 Classification of sheet .2 5.1 General. .2 5.2 Classification by sheet layer.. 2 5.3 Classification by food contact. .2 5.4 Classification by intrinsic viscosity of the sheet 3 6 Requirements .3 6.1 Appearance .3 6.2 Properties. .3 7 Dimensions. 7.1 Length and tolerance .4 7.2 Width and tolerance. ..4 7.3 Thickness and tolerance 4 8 Test method .5 8.1 General conditions of test. ..5 8.2 Measurement of dimensions. .5 8.3 Intrinsic viscosity .5 8.4 Tensile stress at yield .5 8.5 Heat shrinkage .6 8.6 Oxygen transmission rate 8.7 Haze .6 8.8 Food hygiene tests. 9 Package. 10 Marking ..6 Bibliography ..8 iii vided by IHS under license with ISC ed without license from IHS Not for Resale