ISO INTERNATIONAL STANDARD 4926 Third edition 2020-07 Road vehicles Hydraulic braking systems Non-petroleum-based reference fluid Vehicules routiers -Systemes de freinage hydrauliques - Liquides deréférenceabasenonpétroliere Reference number IS04926:2020(E) ISO @IS02020 IS0 4926:2020(E) COPYRIGHTPROTECTEDDOCUMENT IS02020 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 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: +4122749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland i @ IS0 2020 - All rights reserved IS0 4926:2020(E) Contents Page Foreword iv 1 Scope. 1 2 Normativereferences 1 3 Terms and definitions 1 4 Iso reference fluid for compatibility testing @ IS0 2020 - All rights reserved iii