International ISO Standard ISO 24232 First edition Protective clothing Protection 2024-10 against rain Habillement de protection Protection contre la pluie Reference number IS0 24232:2024(en) @ ISO 2024 IS0 24232:2024(en) COPYRIGHT PROTECTED DOCUMENT @ IS02024 be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on 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: +41 22 749 01 11 Email: copyright@iso.org Website: www.iso.org Published in Switzerland @ IS0 2024 - All rights reserved i IS0 24232:2024(en) Contents Page Foreword. ..iv Introduction .V 1 Scope. .1 2 Normative references .1 .2 3 Terms and definitions. Performance assessment and requirements .3 ..3 4.1 General requirements and innocuousness 4.1.1 General requirements .3 4.1.2 Innocuousness. 4.2 Water penetration resistance, W, .4 4.3 Water vapour resistance, Ret ..4 4.4 Tensile strength of the woven outer shell material .4 4.5 Tear resistance of the woven outer shell material. .4 4.6 Bursting strength of the knitted outer shell material ..4 4.7 Dimensional change of the materials .5 4.8 Seam strength of the outer shell material. 4.9 Waterproofness of a readymade garment (optional) ..5 Test methods .5 5 .5 5.1 Sampling principles. 5.2 Testing related to general requirements and innocuousness .5 5.2.1 Testing related to general requirements.. ..5 5.2.2 Innocuousness .5 5.3 Pretreatment .5 .5 5.3.1 General. 5.3.2 Pretreatment by cleaning .5 5.3.3 Pretreatment by abrasion .6 Pretreatment by repeated flexing 5.3.4 .6 5.3.5 Pretreatment with fuel and oil. ..6 5.4 Water penetration resistance, Wp .7 5.5 Water vapour resistance, Ret ..7 5.6 Tensile strength. .7 5.7 Tear resistance .7 5.8 Bursting strength. Dimensional change after cleaning. 5.9 .7 5.10 Testing of seam strength. ..8 5.11 Testing the waterproofness of a readymade garment (optional) ..8 6 Size designation 7 Marking and care labelling. :8 Information supplied by the manufacturer ..8 Annex A (informative) Recommendations for wearing time ..10 Annex B (informative) Test device for one sided exposure to fuel and oil ..11 ..12 Bibliography @ IS0 2024 - All rights reserved iii

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