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ASTM D 3301 Document Information:
Title
Standard Specification for File Folders for Storage of Permanent Records
ASTM International
Publication Date:
Mar 10, 2000
Scope:
This specification covers file folders used in the storage of records
and documents that are
expected to have maximum, or substantial, life expectancy.
It has been shown (1, 2, 3, 4, 5)(Footnote 2) that the life expectancy
of paper is at least an
approximate function of the pH of an aqueous extract of the paper.
Three pH levels, reflecting
three levels of life expectancy, are specified.
The following would be expected to contribute significantly to the
life and usefulness of folders:
the use of folders with controlled acidity, or of folders manufactured
under neutral or alkaline
conditions, especially with an alkaline filler, such as calcium
carbonate, that absorbs acidic
gases from the atmosphere and can neutralize acidic materials formed
during aging.
This specification is based on fiber sources used in the production of
paper that contains no more
than 1 % lignin, for papers used in archives, libraries, and other
permanent records. However,
under proper conditions, (see X1.5), fiber sources containing more
than 1 % lignin may be employed
for many other end uses in paper for records that are required to have
a substantial life
expectancy.
As indicated in Appendix X1.4 and X1.5, this specification may be used
as a guide.
Footnote 2 - The boldface numbers in parentheses refer to the list of
references at the end of this
specification.
Keywords:
- file folders
- life expectancy
- maximum life expectancy
- permanent file folders
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