oSIST ISO/DIS 9706:2024

FINAL DRAFT
International
Standard
ISO/TC 46/SC 10
Information and documentation —
Secretariat: SIS
Paper for documents —
Voting begins on:
Requirements for permanence
2025-03-12
Information et documentation — Papier pour documents —
Voting terminates on:
Exigences relatives à la permanence
2025-05-07
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/CEN PARALLEL PROCESSING LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
FINAL DRAFT
International
Standard
ISO/TC 46/SC 10
Information and documentation —
Secretariat: SIS
Paper for documents —
Voting begins on:
Requirements for permanence
Information et documentation — Papier pour documents —
Voting terminates on:
Exigences relatives à la permanence
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2025
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/CEN PARALLEL PROCESSING
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland Reference number
ii
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Required characteristics . 3
5.1 General .3
5.2 Strength properties . .3
5.3 Alkali reserve.3
5.4 Resistance to oxidation .3
5.5 pH value of aqueous extract .4
6 Test report . 4
7 Labelling . 4
Annex A (normative) Special instruction for determining the Kappa number . 5
Annex B (normative) Statement and symbol of conformity . 6
Annex C (informative) Notes on accelerated ageing tests and optical properties. 7
Annex D (informative) Relationship between paper permanence (ISO 9706), archival paper
permanence and durability (ISO 11108), and paper stability for general graphic
applications (ISO 20494) . 8
Bibliography .10

iii
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.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee Technical Committee ISO/TC 46, Information and
documentation, Subcommittee SC 10, Requirements for document storage and conditions for preservation, in
collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC 172,
Pulp, paper and board, in accordance with the Agreement on technical cooperation between ISO and CEN
(Vienna Agreement).
This second edition cancels and replaces the first edition (ISO 9706:1994), which has been technically
revised.
The main changes are as follows:
— the Introduction has been modified and Annex D has been added to emphasize the relationship and
differences between existing standards regarding the requirements of paper for different applications:
permanent and durable paper for documents which are intended to be used frequently and kept
permanently, and for stable paper used for general graphic applications;
— the normative references have been updated;
— the term "document" has been replaced by an existing definition in the terminology database of ISO.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.

iv
Introduction
Librarians and archivists have found that paper documents made as recently as the second half of the
th
20 century show serious deterioration under typical library and archive storage conditions. Contrary to
this observation, the past 1 500 years of paper use show that papers consisting mostly of cellulose have
considerable permanence and durability.
Research indicates that the deterioration is due to the presence of cellulose-degrading compounds in the
paper furnish and materials incorporated in the paper during manufacture, e.g. acidic materials such as
rosin-alum size.
The intention of this document is to define a permanent paper that is most suitable for indefinite storage,
e.g. in archives, libraries, and museums. Such paper is to be used for books as well as for files, documents
and other records that are to be stored permanently for legal, cultural policy or other reasons. For this
purpose, this document provides a method for specifying paper which, according to the present state of
knowledge, has a high degree of permanence. Paper fulfilling the requirement of this document shows no or
only slight changes in optical and mechanical properties which have an influence on readability of recording
(printing, writing or copying) and handling when stored for a long period in a protected environment. This
purpose requires papers eligible for permanent use to be free of oxidizable matter that causes undesirable
discolouration, e.g. lignin or recycled material of uncertain composition, and/or substances that have
a negative impact on mechanical strength, for example any type of acid sizing or other acid-producing
substances.
This document is based on a small number of quantitative tests for which limiting values have been specified.
Paper classified in accordance with this document shall show measurement results within the specified
limits for all prescribed tests.
The limits are chosen so that paper conforming to the specifications of this document can be produced in large
quantities at reasonable prices. This permits printing firms, publishing companies, public administration,
and others to use this paper for all types of written and printed matter, files and records, or publications
which for any reason are to be preserved indefinitely in libraries, archives or any other entities concerned in
this matter.
There are two standards, apart from this document, regarding different applications of paper:
— ISO 11108, which describes archival paper with the same permanence requirements as for ISO 9706 and
with high durability (able to withstand the effects of wear and tear during use).
— ISO 20494, which describes paper for general graphic applications, not intended for permanent storage,
including newspapers, magazines, catalogues, books, office printouts and copies where changes in
optical properties over time can be tolerated.
This document and ISO 11108 differ from ISO 20494; they are not comparable either in approach or in
method. In ISO 20494, the decrease in mechanical-physical strength that a paper suffers when subjected to
moist heat treatment for up to 12 days is the basis for defining service life despite any optical changes.
Conversely, this document and ISO 11108 are based on the fact that acid-catalysed hydrolysis is the major
cause of the degradation of cellulose, the substance that provides strength to paper, and that this acid
hydrolysis is strongly inhibited if an alkaline buffer and no or little acid-forming substances are present
in the paper. Furthermore, this document and ISO 11108 define a resistance to oxidation which requires
the paper to have a Kappa number of less than 5, corresponding to about 10 g of lignin per kg of paper. This
document and ISO 11108 therefore specify a paper that is expected to remain substantially unchanged over
time whereas ISO 20494 accepts the loss of brightness or yellowing. Further description of the relationship
between these standards can be found in Annex D.
Both this document and ISO 11108 evaluate the permanence properties of the paper. Note, however, that
a document is considered permanent if it includes both a permanent paper substrate and a permanent
recording method (i.e. writing, printing and copying). Permanence and durability of recording materials are
tested according to ISO 11798.Cultural policy and, if applicable, legal mandates require archives, libraries,
museums, and other collections to s
...

2024-12-06
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ISO/TC 46/SC 10
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Secretariat: SIS
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Date: 2025-02-26
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and numbers
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Information and documentation — Paper for documents —
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Requirements for permanence
and Asian text, Adjust space between Asian text and
numbers
Information et documentation — Papier pour documents — Prescriptions pourExigences relatives à la
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permanence
FDIS stage
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All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication
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may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying,
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or posting on the internet or an intranet, without prior written permission. Permission can be requested from either
Asian text and numbers
ISO at the address below or ISO’s member body in the country of the requester.
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ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Formatted: French (Switzerland)
EmailE-mail: copyright@iso.org
Formatted: French (Switzerland)
Website: www.iso.orgwww.iso.org
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Published in Switzerland
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Formatted: English (United Kingdom)

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ii © ISO 2024 2025 – All rights reserved
ii
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Contents
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Foreword . v
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Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Required characteristics . 3
6 Test report . 4
7 Labelling . 4
Annex A (normative) Special instruction for determining the Kappa number . 5
Annex B (normative) Statement and symbol of conformity . 6
Annex C (informative) Notes on accelerated ageing tests and optical properties . 7
Annex D (informative) Relationship between paper permanence (ISO 9706), archival paper
permanence and durability (ISO 11108), and paper stability for general graphic
applications (ISO 20494) . 9
Bibliography . 12

Foreword . iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Required characteristics . 3
5.1 General. 3
5.2 Strength properties . 3
5.3 Alkali reserve . 3
5.4 Resistance to oxidation . 4
5.5 pH value of aqueous extract . 4
6 Test report . 4
7 Labelling . 4
Annex A (normative) Special instruction for determining the Kappa number . 5
Annex B (normative) Statement and symbol of conformity . 6
Annex C (informative) Notes on accelerated ageing tests and optical properties . 7
Formatted: Font: 10 pt
Annex D (informative) Relationship between paper permanence (ISO 9706), archival paper
permanence and durability (ISO 11108), and paper stability for general graphic
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applications (ISO 20494) . 9
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Bibliography . 11
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iii
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iv © ISO 2024 2025 – All rights reserved
iv
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Foreword
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ISO (the International Organization for Standardization) is a worldwide federation of national standards Formatted: Adjust space between Latin and Asian text,
Adjust space between Asian text and numbers
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.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types of
ISO documents should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Formatted: English (United Kingdom)
Field Code Changed
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent rights
in respect thereof. As of the date of publication of this document, ISO had not received notice of (a) patent(s)
which may be required to implement this document. However, implementers are cautioned that this may not
represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents.www.iso.org/patents. ISO shall not be held responsible for identifying any or all such
patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
Formatted: English (United Kingdom)
Field Code Changed
This document was prepared by Technical Committee Technical Committee ISO/TC 46, Information and
documentation, Subcommittee SC 10, Requirements for document storage and conditions for preservation, in
Formatted: Font: Not Italic
collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC 172,
Formatted: Font: Not Italic
Pulp, paper and board, in accordance with the Agreement on technical cooperation between ISO and CEN
Formatted: Font: Not Italic
(Vienna Agreement).
This second edition cancels and replaces the first edition (ISO 9706:1994), which has been technically revised. Formatted: Adjust space between Latin and Asian text,
Adjust space between Asian text and numbers
The main changes are as follows:
Formatted: Default Paragraph Font
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— — the Introduction has been modified and Annex DAnnex D has been added to emphasize the
relationship and differences between existing standards regarding the requirements of paper for different
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applications: permanent and durable paper for documents which are intended to be used frequently and
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kept permanently, and for stable paper used for general graphic applications.;
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Adjust space between Asian text and numbers, Tab
— — the normative references have been updated;
stops: Not at 0.7 cm + 1.4 cm + 2.1 cm + 2.8 cm +
3.5 cm + 4.2 cm + 4.9 cm + 5.6 cm + 6.3 cm + 7 cm
— — the term "document" has been replaced by an existing definition in the terminology database of ISO.
Formatted: Adjust space between Latin and Asian text,
Any feedback or questions on this document should be directed to the user’s national standards body. A Adjust space between Asian text and numbers
complete listing of these bodies can be found at www.iso.org/members.htmlwww.iso.org/members.html.
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pt, Line spacing: single
v
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Introduction
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Librarians and archivists have found that paper documents made as recently as the second half of the
th
20 century show serious deterioration under typical library and archive storage conditions. Contrary to this
observation, the past 1, 500 years of paper use show that papers consisting mostly of cellulose have
considerable permanence and durability.
Research indicates that the deterioration is due to the presence of cellulose-degrading compounds in the
paper furnish and materials incorporated in the paper during manufacture, e.g. acidic materials such as rosin-
Formatted: Default Paragraph Font
alum size.
Formatted: Default Paragraph Font
The intention of this document is to define a permanent paper that is most suitable for indefinite storage, e.g.
Formatted: Default Paragraph Font
in archives, libraries, and museums. Such paper is to be used for books as well as for files, documents and
Formatted: Adjust space between Latin and Asian text,
other records that are to be stored permanently for leg
...

PROJET FINAL
Norme
internationale
ISO/TC 46/SC 10
Information et documentation —
Secrétariat: SIS
Papier pour documents —
Début de vote:
Exigences relatives à la permanence
2025-03-12
Information and documentation — Paper for documents —
Vote clos le:
Requirements for permanence
2025-05-07
LES DESTINATAIRES DU PRÉSENT PROJET SONT
INVITÉS À PRÉSENTER, AVEC LEURS OBSERVATIONS,
NOTIFICATION DES DROITS DE PROPRIÉTÉ DONT ILS
AURAIENT ÉVENTUELLEMENT CONNAISSANCE ET À
FOURNIR UNE DOCUMENTATION EXPLICATIVE.
OUTRE LE FAIT D’ÊTRE EXAMINÉS POUR
ÉTABLIR S’ILS SONT ACCEPTABLES À DES FINS
INDUSTRIELLES, TECHNOLOGIQUES ET COM-MERCIALES,
AINSI QUE DU POINT DE VUE DES UTILISATEURS, LES
PROJETS DE NORMES
TRAITEMENT PARALLÈLE ISO/CEN
INTERNATIONALES DOIVENT PARFOIS ÊTRE CONSIDÉRÉS
DU POINT DE VUE DE LEUR POSSI BILITÉ DE DEVENIR DES
NORMES POUVANT
SERVIR DE RÉFÉRENCE DANS LA RÉGLEMENTATION
NATIONALE.
Numéro de référence
PROJET FINAL
Norme
internationale
ISO/TC 46/SC 10
Information et documentation —
Secrétariat: SIS
Papier pour documents —
Début de vote:
Exigences relatives à la permanence
2025-03-12
Information and documentation — Paper for documents —
Vote clos le:
Requirements for permanence
2025-05-07
LES DESTINATAIRES DU PRÉSENT PROJET SONT
INVITÉS À PRÉSENTER, AVEC LEURS OBSERVATIONS,
NOTIFICATION DES DROITS DE PROPRIÉTÉ DONT ILS
AURAIENT ÉVENTUELLEMENT CONNAISSANCE ET À
FOURNIR UNE DOCUMENTATION EXPLICATIVE.
DOCUMENT PROTÉGÉ PAR COPYRIGHT
OUTRE LE FAIT D’ÊTRE EXAMINÉS POUR
ÉTABLIR S’ILS SONT ACCEPTABLES À DES FINS
© ISO 2025 INDUSTRIELLES, TECHNOLOGIQUES ET COM-MERCIALES,
AINSI QUE DU POINT DE VUE DES UTILISATEURS, LES
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
PROJETS DE NORMES
TRAITEMENT PARALLÈLE ISO/CEN
INTERNATIONALES DOIVENT PARFOIS ÊTRE CONSIDÉRÉS
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
DU POINT DE VUE DE LEUR POSSI BILITÉ DE DEVENIR DES
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
NORMES POUVANT
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
SERVIR DE RÉFÉRENCE DANS LA RÉGLEMENTATION
NATIONALE.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: +41 22 749 01 11
E-mail: copyright@iso.org
Web: www.iso.org
Publié en Suisse Numéro de référence
ii
Sommaire Page
Avant-propos .iv
Introduction .v
1 Domaine d'application . 1
2 Références normatives . 1
3 Termes et définitions . 1
4 Principe. 2
5 Caractéristiques exigées . 3
5.1 Généralités .3
5.2 Propriétés de résistance .3
5.3 Réserve alcaline .4
5.4 Résistance à l'oxydation .4
5.5 Valeur du pH d'un extrait aqueux .4
6 Rapport d’essai . 4
7 Étiquetage . 4
Annexe A (normative) Instructions particulières pour la détermination de l'indice Kappa . 5
Annexe B (normative) Déclaration et symbole de conformité . 6
Annexe C (informative) Remarques concernant les essais de vieillissement accéléré et les
propriétés optiques . 7
Annexe D (informative) Relation entre la permanence du papier (ISO 9706), la permanence et
la durabilité du papier pour documents d'archives (ISO 11108), et la stabilité du papier
pour les applications graphiques générales (ISO 20494) . 9
Bibliographie .12

iii
Avant-propos
L’ISO (Organisation internationale de normalisation) est une fédération mondiale d’organismes nationaux
de normalisation (comités membres de l’ISO). L’élaboration des Normes internationales est en général
confiée aux comités techniques de l’ISO. Chaque comité membre intéressé par une étude a le droit de faire
partie du comité technique créé à cet effet. Les organisations internationales, gouvernementales et non
gouvernementales, en liaison avec l’ISO participent également aux travaux. L’ISO collabore étroitement avec
la Commission électrotechnique internationale (IEC) en ce qui concerne la normalisation électrotechnique.
Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont
décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier, de prendre note des différents
critères d’approbation requis pour les différents types de documents ISO. Le présent document
a été rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2
(voir www.iso.org/directives).
L’ISO attire l’attention sur le fait que la mise en application du présent document peut entraîner l’utilisation
d’un ou de plusieurs brevets. L’ISO ne prend pas position quant à la preuve, à la validité et à l’applicabilité de
tout droit de brevet revendiqué à cet égard. À la date de publication du présent document, l’ISO n’avait pas
reçu notification qu’un ou plusieurs brevets pouvaient être nécessaires à sa mise en application. Toutefois,
il y a lieu d’avertir les responsables de la mise en application du présent document que des informations
plus récentes sont susceptibles de figurer dans la base de données de brevets, disponible à l’adresse
www.iso.org/brevets. L’ISO ne saurait être tenue pour responsable de ne pas avoir identifié tout ou partie de
tels droits de brevet.
Les appellations commerciales éventuellement mentionnées dans le présent document sont données pour
information, par souci de commodité, à l’intention des utilisateurs et ne sauraient constituer un engagement.
Pour une explication de la nature volontaire des normes, la signification des termes et expressions
spécifiques de l’ISO liés à l’évaluation de la conformité, ou pour toute information au sujet de l’adhésion de
l’ISO aux principes de l’Organisation mondiale du commerce (OMC) concernant les obstacles techniques au
commerce (OTC), voir www.iso.org/avant-propos.
Le présent document a été élaboré par le comité technique ISO/TC 46, Information et documentation, sous-
comité SC 10, Exigences pour le stockage et la conservation des documents, en collaboration avec le comité
technique CEN/TC 172, Pâtes, papier et carton, du Comité européen de normalisation (CEN) conformément à
l’Accord de coopération technique entre l’ISO et le CEN (Accord de Vienne).
Cette deuxième édition annule et remplace la première édition (ISO 9706:1994), qui a fait l’objet d’une
révision technique.
Les principales modifications sont les suivantes:
— modification de l'Introduction et ajout de l’Annexe D pour mettre en évidence la relation et les différences
entre les normes existantes traitant des exigences relatives au papier pour différentes applications:
papier permanent et durable pour les documents destinés à être utilisés fréquemment et à être conservés
de manière permanente, papier stable pour les applications graphiques générales;
— mise à jour des références normatives;
— remplacement de la définition du terme «document» par une des définitions existantes dans la base de
données terminologique de l'ISO.
Il convient que l’utilisateur adresse tout retour d’information ou toute question concernant le présent
document à l’organisme national de normalisation de son pays. Une liste exhaustive desdits organismes se
trouve à l’adresse www.iso.org/fr/members.html.

iv
Introduction
Les bibliothécaires et les archivistes se sont rendu compte que les documents sur papier produits ne
e
serait-ce que dans la seconde moitié du 20 siècle et rangés dans des conditions normales de conservation
en bibliothèque et en centre d'archives présentent de sérieux signes de dégradation. À contrario, les
1 500 dernières années d'utilisation du papier ont montré la permanence et la durabilité remarquables des
papiers majoritairement composés de cellulose.
La recherche a permis d'établir que la dégradation du papier est due à la présence de composants dégradant
la cellulose (par exemple, des produits acides tels que ceux utilisés pour l'encollage colophane-alun) dans la
pâte à papier et dans les produits incorporés au papier durant sa fabrication.
Le présent document a pour objet de définir un papier permanent qui soit le plus adapté à la conservation
sur une période indéterminée, par exemple dans des centres d'archives, des bibliothèques et des musées.
Un tel papier est à utiliser pour la fabrication de livres, de dossiers, de documents et d'autres documents
d'activité qu'il faut conserver de manière permanente pour des raisons juridiques, de politiques culturelles,
etc. À cette fin, le présent document fournit une méthode de spécification d'un papier qui, en l'état actuel des
connaissances, possède un haut degré de permanence. Pour répondre aux exigences du présent document, le
papier ne doit subir qu'une légère, voire aucune, altération des propriétés optiques et mécaniques qui influent
sur la lisibilité des enregistrements (impression, écriture ou reprographie) et sur sa manipulation après
conservation sur une longue période dans un environnement protégé. Pour y parvenir, il est nécessaire que
le papier destiné à une utilisation à long terme soit exempt de matière oxydable provoquant une décoloration
indésirable, telle que la lignine, de matière recyclée dont la composition est incertaine et/ou de substances
ayant un effet néfaste sur la résistance mécanique (par exemple, tous les types de collage acide ou d'autres
substances productrices d'acide).
Le présent document s'appuie sur un nombre restreint d'essais quantitatifs pour lesquels des valeurs limites
ont été spécifiées. Pour être conforme au présent document, le papier doit permettre d'obtenir des résultats
de mesure dont les valeurs sont comprises entre les limites spécifiées pour tous les essais prescrits.
Les limites ont été définies de sorte que le papier conforme aux spécifications du présent document puisse
être produit en grande quantité à un prix raisonnable, permettant ainsi aux imprimeries, aux maisons
d'édition, à l'administration publique et à d'autres organisations d'utiliser ce papier pour toutes sortes
d'imprimés, de documents écrits, de dossiers, de documents d'activité ou de publications nécessitant, pour
quelque raison que ce soit, d'être conservés pendant une durée indéterminée dans des bibliothèques, des
centres d'archives ou tout autre organisme concerné.
Outre le présent document, deux autres normes traitent d’applications différentes du papier:
— l’ISO 11108, qui décrit un papier d'archives répondant aux mêmes exigences de permanence que celles
énoncées dans la présente norme et présentant un haut degré de durabilité (capable de supporter les
effets de l'usure normale pendant l'utilisation);
— l’ISO 20494, qui décrit un papier utilisé pour des applications graphiques générales et non destiné à
une conservation permanente, ces applications incluant les journaux, les magazines, les catalogues, les
livres, les imprimés de bureau et copies internes qui peuvent tolérer des modifications de propriétés
optique
...