NF ISO 9706
Information and documentation. Paper for documents. Requirements for pemanence.
Le présent document définit les caractéristiques à respecter par un papier en termes de pH, résistance à la déchirure, réserve alcaline et résistance à l'oxydation (indice Kappa) pour que ce papier soit reconnu comme possédant un haut degré de permanence et par là adapté à la fabrication de documents à longue durée de vie dans les conditions relativement protégées des dépôts d'archives ou de bibliothèques.
Specifies the requirements for permanent paper intended for documents given in terms of minimum strength measured by a tear test, minimum content of substance (such as calcium carbonate) that neutralize acid action measured by the alkali reserve, maximum content of easily oxidized material measured by the kappa number, maximum and minimum pH values of a cold water extract of the paper. Is applicable to unprinted papers. Is not applicable to boards.
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