ISO INTERNATIONAL STANDARD 12629 Second edition 2022-08 Thermal insulating products for building equipment and industrial installations Determination of water vapour transmission properties of preformed pipe insulation Produits isolants thermiques pourles équipements de batiments et les installations industrielles- Détermination des propriétés de transmission de la vapeur d'eau des coquilles isolantes preformees Reference number IS0 12629:2022(E) IS0 @ ISO 2022 IS0 12629:2022(E) COPYRIGHTPROTECTED DOCUMENT @IS02022 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 memberbody inthe country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland ii IS02022-Allrightsreserved