Conservation Grade Super Acid-free Backings- Our .040" 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. A buffered board can stop migrating acids from entering an object and therefore prevent damage.

Comic & Magazine Backings Board - Conservation Grade
Comic & Magazine Backings - Conservation Grade
Newspaper Backing Boards - Archival
Newspaper Backings - Conservation Backings
Poster Backings - Conservation Grade
Poster Backings - Conservation Grade
Miscellaneous Backings - Conservation Grade
Miscellaneous Backing Boards - Conservation Grade
 
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