Q: What is
the difference between acid-free and acid-free buffered tissue paper used in
packaging wedding gowns?
is a general term for a tissue paper that is free of acid or has a pH of
approximately 7. Textile conservators recommend that this be used for silk and
wool fabrics or whenever the fiber content is mixed or unknown.
Acid-free buffered tissue paper has an
alkaline buffer such as calcium carbonate that helps neutralize any acids and
retards the evolution of acid in the future. Conservators recommend this type
of tissue paper for storing cellulose fabrics such as cotton, linen, and, ramie
to protect them from deteriorating.
Unbuffered tissue should be used when
storing silk or wool because protein fibers are known to be sensitive to