ISO INTERNATIONAL STANDARD 25178-73 First edition 2019-05 Geometrical product specifications (GPS) Surface texture: Areal - Part 73: Terms and definitions for surface defects on material measures Spécification géométrique des produits (GPS) - Etat de surface: surfacique- Partie 73: Termes et definitions pour les defauts de surface sur les mesures matérialisées Reference number ISO 25178-73:2019(E) @ IS0 2019 IS0 25178-73:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 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 Fax: +4122 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland i @ IS0 2019 - All rights reserved IS0 25178-73:2019(E) Contents Page Foreword .iv Introduction V 1 Scope. 1 2 Normative references. 3 Terms and definitions. 1 General terms and definitions. 1 3.2 Terms and definitions for classes of defects. 2 3.3 Terms and definitions for ways of responding to defects 3 Annex A (informative) Stains and discolorations. .5 Annex B (informative) Relation to the GPS matrix model .6 Bibliography 7 @ IS0 2019 - All rights reserved iii