This standard specifies the durability requirements for literature paper. This standard applies to documents, records and publications that need to be preserved for a long time. This standard does not apply to cardboard.
GB/T 24423-2009 Referenced Document
GB/T 10739-2002 Paper,board and pulps standard atmosphere for conditioning and testing
GB/T 1545-2008 Paper,board and pulp.Determination of acidity or alkalinity