Acid-free paper is paper that if infused in water yields a neutral or basic pH (7 or slightly greater). It can be made from any cellulose fiber as long as the active acid pulp is eliminated during processing. It is also lignin- and sulfur-free. Acid-free paper addresses the problem of preserving documents and artwork for long periods.
Read more about Acid-free Paper: Overview, Standards, Archival Paper
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“Shall quips and sentences and these paper bullets of the brain awe a man from the career of his humor? No, the world must be peopled.”
—William Shakespeare (1564–1616)