ISO INTERNATIONAL STANDARD 18933 Second edition 2012-05-15 Imaging materialsMagnetic tapeCare and handling practices for extended usage Materiauxpourl'image-Bandemagnetique-Precautionset pratiquesdemanutentionpourusageprolonge Reference number ISO 18933:2012(E) LSO @ISO 2012 itted without licensefrom IHS Not for Resale ISO18933:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO2012 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 memberbody in the country of therequester. ISO copyright office Case postale 56· CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2012 -All rights reserved No reproduction or networking permitted without license from IHS Not for Resale ISO18933:2012(E) Contents Page Foreword v Introduction. vi 1 Scope. 2 Normativereferences. 3 Terms and definitions. 4 Tape pack integrity. 5 4.1 General...... 5 4.2 Commonpackproblems 5 4.3 Pack tension... 6 4.4 Tape winding speed. 4.5 Tape, hub and reel design. 8 5 Contamination.. 8 5.1 .8 5.2 Particulate contaminants 10 5.3 Gaseous contaminants... 10 5.4 Organic contaminants... 10 5.5 Protective cases... 10 5.6 Field usage.... 6 Handling techniques. 6.1 General 11 6.2 Vertical/horizontal tape orientation 11 6.3 Handling access 11 6.4 Useofforce. 12 6.5 Tape condition... 12 6.6 General handling 13 7 Environment.... .13 7.1 7.2 Temperature and humidity 13 7.3 Air quality ..... 14 7.4 Magnetic fields 14 7.5 Light exposure 15 7.6 Acclimatization..... 7.7 Marginal environments 15 8 Inspection. 16 8.1 General... 8.2 Seven-step physical inspection 16 9 Cleaning and maintenance 17 9.1 General.. 17 9.2 Tape cleaning indicators. .18 9.3 Tapecleaningfrequency. 18 9.4 Debrisremoval fromtape... ..18 9.5 Adhesivecontaminants ontape... .18 9.6 Biologicalcontaminantsontape 9.7 Record/playback machine maintenance 19 9.8 Transports for mastertapes 19 9.9 Manufacturers'recommendations 9.10 Cleaning cassettes. 19 9.11 Hand cleaning.. 19 10 Transportation... 10.1 General. .19 10.2 Tape preparation before transport.... 19 ili No reproduction or networking permitt ed without license from IHS Not for Resale