ISO INTERNATIONAL STANDARD 3861 Fourth edition 2021-01 Rubber hoses and hose assemblies for sand and grit blasting - Specification Tuyaux et flexibles en caoutchouc pour sablage et grenaillage - Specifications Reference number IS0 3861:2021(E) ISO @ IS0 2021 IS0 3861:2021(E) COPYRIGHT PROTECTED DOCUMENT @IS02021 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 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2021 - All rights reserved