A type of paper used for preservation.
1 The life of books is shorter (despite their being printed on acid - free paper ) .
2 Many collectors mount valuable, fragile posters on acid - free paper attached to canvas to protect them and to allow restoration.
3 Each corpse was carefully removed from what remained of its pine or oak coffin and was wrapped in acid - free paper .
4 Printed on acid - free paper .
5 ISBN 0-387-91495-1 ( acid - free paper ) 1.
6 "Also," added the small one, "old books are printed on acid - free paper , so we aren't getting acid inside of our lungs."
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Translations for acid-free paper