ISO INTERNATIONAL STANDARD 17212 Second edition 2012-02-15 Structural adhesives Guidelines for the surface preparation of metals and plastics prior to adhesive bonding Adhésifs structuraux - Lignes directrices pour la préparation de surface de métaux et de plastiques avant le collage par adhésif Reference number ISO 17212:2012(E) ISO @IS02012 ISO 17212:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO 2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ISO2012-All rights reserved ISO 17212:2012(E) Contents Page Foreword iv Introduction 1 Scope... 1.1 General.. 1.2 Surfaces 1.3 Methods 2 Normative references 3 Terms and definitions. 3 4 Safety 3 5 Initial preparative techniques 5.1 General 5.2 Handling, cleaning and storing. 6 Surfacemodification. 5 6.1 Physical: Mechanical (scarification) 5 6.2 Physical: Non-mechanical. 6 6.3 Chemical 6 6.4 Combined procedures 9 7 Preparative procedures 7.1 General 10 7.2 Specific 11 8 Evaluation of durability 26 A!riahtsreserved ili