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ASTM D 3290 Document Information:
Title
Standard Specification for Bond and Ledger Papers for Permanent Records
ASTM International
Publication Date:
Mar 10, 2000
Scope:
This specification covers bond and ledger papers used in the
preparation 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 life expectancy 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 expectancy of books and
documents: the use of papers with controlled acidity, or of papers
manufactured under neutral or
alkaline conditions, especially papers with a calcium carbonate filler
that absorbs acidic gases
from the atmosphere and can neutralize acidic materials formed in the
aging of paper.
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), paper containing more than 1 %
lignin may be employed for
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:
- bond paper
- ledger paper
- life expectancy
- maximum life expectancy
- permanent bond paper
- permanent ledger paper
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