ISO INTERNATIONAL STANDARD 18925 Third edition 2013-02-01 Imaging materials Optical disc media Storage practices Matériaux pour I'image - Milieux pour disque optique - Pratiquesdestockage Reference number IS0 18925:2013(E) LSO IS02013 IHS under itted without license from IHS Not for Resale IS0 18925:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2013 All rights reserved. Unless otherwise specified, 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 Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproductic networking permitted without license from IHS Not for Resale IS0 18925:2013(E) Contents Page Foreword ..iv Introduction. .. 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Environmental conditions .3 4.1 Humidity and temperature limits 3 4.2 Contaminants and gaseous impurities ..4 4.3 Magnetic fields. .4 5 Materials .4 6 Enclosures .4 6.1 General requirements ..4 6.2 Labelling. .5 7 Preparation. .5 7.1 General 7.2 Acclimatization ..5 8 Storage housing ..5 9 Storage rooms. .6 10 Fire-protective storage .6 11 Identification, inspection, and cleaning .1 11.1 Identification > 11.2 Inspection. .7 11.3 Cleaning.... ..7 Annex A (informative) Temperature-relative humidity relationship .8 Annex B (informative) Temperature and humidity acclimatization ..9 Bibliography .10 iii ded by IHS under license with ISt thout license from IHS Not for Resale