BACKINGS for One Sheet Posters. 27-1/4 x 41-1/4". .040" thick Acid-free & Buffered Board. All white. Indefinite Storage.
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Museum Grade Archival
100% alpha-cellulose board, buffered with a 3% calcium carbonate buffer. It is acid-free (alkaline pH 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.
100% alpha-cellulose board, buffered with a 3% calcium carbonate buffer. It is acid-free (alkaline pH 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.
Material: Conservation Board
Thickness: .040"
Color: White
Width: 27.25
Height: 41.25
PH Level: 8.5-9.5
Acid-Free: Yes
Lignin-Free: Yes
Buffered: Yes
Passed P.A.T.: Yes
Storage Length: Museum-Grade (Indefinite) Storage (100+ years)
Made In USA: Yes
Recyclable: Yes, click here for more info