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Conservation Grade Super Acid-free Backings
- Our 0.40 point thick board is off-white, 100% alpha-cellulose board and buffered with calcium carbonate, which keeps the board from breaking down (indefinitely). It is acid-free (alkaline 8.0-9.0), lignin-free/contaminant-free. Suitable for conservation. Our material meets the Library of Congress Archival Standards. Acid-free board can trap migrating acids in paper and neutralize it. Buffered board can stop migrating acids from entering an object and therefore prevent damage.

     Comic & Magazine Backings

     Newspaper Backings

     Poster Backings

     Miscellaneous Backings

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