Archival Foam Board Backings for Insert Posters. 14-1/8 x 36"
.1875" thick . Acid-free, lignin-free and buffered. All white. Indefinite Storage.
Details
MUSEUM GRADE
Insert Poster Foam Board Backings
14-1/8 x 36" .1875" (3/8") thick.
Acid-free, Lignin-free and Buffered.
All white. Indefinite storage.
This board is an indefinite-term, archival board. It has a polystyrene foam core (making it ultra light-weight) with a laminated white, smooth facing. It is buffered with 3% calcium carbonate and is acid-free with a pH of 7.5-8.5. Buffered board blocks migrating acids.
Insert Poster Foam Board Backings
14-1/8 x 36" .1875" (3/8") thick.
Acid-free, Lignin-free and Buffered.
All white. Indefinite storage.
This board is an indefinite-term, archival board. It has a polystyrene foam core (making it ultra light-weight) with a laminated white, smooth facing. It is buffered with 3% calcium carbonate and is acid-free with a pH of 7.5-8.5. Buffered board blocks migrating acids.