ISO INTERNATIONAL STANDARD 22568-4 Second edition 2021-12 Foot and leg protectors Requirements and test methods for footwear components Part 4: Non-metallic perforation resistant inserts Protecteurs du pied et de la jambe - Exigences et methodes d'essais pour les composants de chaussure Partie 4: Inserts anti-perforation non métalliques Reference number IS0 22568-4:2021(E) ISO @IS02021 IS0 22568-4:2021(E) COPYRIGHT PROTECTED DOCUMENT @ IS0 2021 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may the internet or an intranet, withoutpriorwrittenpermission.Permission can be requested from eitherIso at the addressbelow or Iso's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214Vernier,Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org PublishedinSwitzerland i @ IS0 2021 - All rights reserved