ISO INTERNATIONAL STANDARD 5999 Third edition 2013-09-01 Flexible cellular polymeric materials Polyurethane foam for load-bearing applications excluding carpet underlay Specification Matériaux polymeres alvéolaires souples - Mousse de polyurethanne pour utilisations soumises a des charges, a I'exclusion des revers de tapisSpécifications Reference number ISO 5999:2013(E) LSO IS02013 I without license from IHS Not for Resale IS0 5999:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2013 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 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 2013 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 5999:2013(E) Contents Page Foreword ..iv 1 Scope .1 2 Normativereferences 3 Classification 3.1 Type. .2 3.2 Ciass. .2 3.3 Grade. .5 4 Requirements .5 4.1 Material .5 4.2 Construction .6 4.3 Surface condition ..6 4.4 Odour. .6 4.5 Colour. .6 4.6 Component mass and density ..6 4.7 Dimensions. .6 4.8 Physical properties. 4.9 Burning properties. ..10 5 Test methods. .10 5.1 Test conditions 10 5.2 Mass. .11 5.3 Dimensions. .11 5.4 Density .11 5.5 Hardness. .11 5.6 Resilience. .11 5.7 Compression set. .11 5.8 Dynamic fatigue by constant-load pounding .11 5.9 Tensile strength and elongation at break. .11 5.10 Burning behaviour.. .11 5.11 Heat ageing. .11 5.12 Humidity ageing 11 6 Inspection .12 6.1 General ..12 6.2 Type inspection .12 6.3 Shipping inspection ..12 7 Marking .12 Annex A (informative) Typical applications for each class of material. .14 Annex B (informative) Burning properties of flexible polyurethane foam and recommendations regarding its use .15 Bibliography .17 iii ted withoutlicensefromIHS Not for Resale