Archival Document Cases 260x387x127mm

This acid-free and lignin-free flip-top document case has a combination of metal ring pull/label holder which allows for easy retrieval of fully loaded document cases from the shelf. Buffered with 3% calcium carbonate for an alkaline reserve to protect the paper against migrant acidity and atmospheric sulphur. •Acid-free; lignin-free •pH 8.0-9.0 •60pt barrier board •Available in blue/grey with white liner •3% calcium carbonate buffer