ISO INTERNATIONAL STANDARD 11393-2 Second edition 2018-09 Protective clothing for users of hand- held chainsaws - Part 2: Performance requirements and test methods for leg protectors vetements de protection pourutilisateurs de scies d chaine tenues d la main - Partie 2: Exigences de performance et méthodes d'essai pour protege-jambes Reference number IS0 11393-2:2018(E) ISO @ IS0 2018 IS011393-2:2018(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 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 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 IS02018-Allrights reserved IS0 11393-2:2018(E) Contents Page Foreword V Introduction vii 1 Scope. .1 2 Normativereferences .1 3 Terms and definitions .1 4 Requirements .3 4.1 General 3 4.2 Innocuousness. 3 4.3 Sizing. 3 4.4 Ergonomics. 3 4.5 Dimensional and other changes 4 4.5.1 Dimensional change. 4 4.5.2 Otherchanges as a consequence of cleaning 4 4.6 Protective coverage 4 4.6.1 General designs of leg protectors 4 4.6.2 Design A 5 4.6.3 Design B (chaps) 7 4.6.4 Design C. 9 4.7 Resistance to cuttingbya chainsaw 10 4.7.1 Classification according to chain speed .10 4.7.2 Requirementsforcutresistance .10 4.8 Requirementsforstrengthofattachmentofprotective insert oftrousers,chaps and strap attachment for chaps .10 4.8.1 Trousers and leggings .10 4.8.2 Chaps. .11 .11 5 Test specimens for cut testing Test methods. .11 6 Pre-treatment. ..11 6.1 Cleaning. 6.1.1 .11 6.1.2 Pre-treatmentfortesting theeffect of temperature and spinning on the .12 structure of the protective insert 6.2 Measurement of dimensional change .12 Measurement of protective coverage .12 6.3 .12 6.3.1 General. Procedure for trousers and leggings .12 6.3.2 Procedure for chap... .13 6.3.3 6.4 Testing of resistance to cutting 13 6.4.1 Purpose oftesting. 13 6.4.2 Test specimens. .13 6.4.3 Apparatus. 13 6.4.4 Mounting oftest specimens 13 Test procedure .13 6.4.5 6.5 Measurementofthestrengthoftheprotectiveinsertattachment 15 6.5.1 .15 General. 6.5.2 Test specimens. 15 6.5.3 .15 Apparatus 6.5.4 Test procedure 16 6.6 Ergonomictesting 17 .17 6.6.1 Ergonomic assessment .17 6.6.2 Procedures. 6.6.3 Test for surface conditions .18 6.7 .18 Test report. @ IS0 2018 - All rights reserved iii