ISO 18933:2012

INTERNATIONAL ISO
STANDARD 18933
Second edition
2012-05-15
Imaging materials — Magnetic tape — Care
and handling practices for extended usage
Matériaux pour l’image — Bande magnétique — Précautions et
pratiques de manutention pour usage prolongé
Reference number
©
ISO 2012
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Published in Switzerland
ii © ISO 2012 – All rights reserved

Contents Page
Foreword . v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Tape pack integrity . 5
4.1 General . 5
4.2 Common pack problems . 5
4.3 Pack tension . 6
4.4 Tape winding speed . 7
4.5 Tape, hub and reel design . 8
5 Contamination . 8
5.1 General . 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 .10
6 Handling techniques . 11
6.1 General . 11
6.2 Vertical/horizontal tape orientation . 11
6.3 Handling access . 11
6.4 Use of force .12
6.5 Tape condition .12
6.6 General handling .13
7 Environment .13
7.1 General .13
7.2 Temperature and humidity .13
7.3 Air quality .14
7.4 Magnetic fields .14
7.5 Light exposure .15
7.6 Acclimatization .15
7.7 Marginal environments .15
8 Inspection .16
8.1 General .16
8.2 Seven-step physical inspection .16
9 Cleaning and maintenance .17
9.1 General .17
9.2 Tape cleaning indicators .18
9.3 Tape cleaning frequency .18
9.4 Debris removal from tape .18
9.5 Adhesive contaminants on tape .18
9.6 Biological contaminants on tape .19
9.7 Record/playback machine maintenance .19
9.8 Transports for master tapes .19
9.9 Manufacturers’ recommendations .19
9.10 Cleaning cassettes .19
9.11 Hand cleaning .19
10 Transportation .19
10.1 General .19
10.2 Tape preparation before transport .19
10.3 Transport methods .20
10.4 General exposure .21
10.5 External fields and security scanning of material .21
11 Disasters .21
11.1 General .21
11.2 Water .22
11.3 Fire .22
11.4 Dry debris .22
11.5 Disaster response .22
12 Staff training .23
12.1 Purpose .23
12.2 Training paths .23
12.3 Schedule for training .24
12.4 Update of training .24
12.5 Content of training .24
13 Minimum handling requirements checklist .24
13.1 General .24
13.2 Do’s .24
13.3 Do not’s .25
Bibliography .26
iv © ISO 2012 – All rights reserved

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International
Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 18933 was prepared by Technical Committee ISO/TC 42, Photography.
This second edition cancels and replaces the first edition (ISO 18933:2006), of which it constitutes a minor
revision with the following changes:
1) Annex A has been removed, to be consistent with same change made in other ISO/TC 42 standards.
2) In Clause 2, the titles of ISO 14644-1 and ISO 14644-2 have been updated to reflect the latest versions.
3) In the definition for backcoat (3.2), “increase friction” has been changed to “modify friction”.
4) The terminological entry for class 100 000 cleanroom (formerly 3.10) has
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