Archival Foam Board Backings for 12 x 18" images. .1875" thick (3/16"). All white. Acid & lignin-free. Buffered. Indefinite Storage.
Details
MUSEUM GRADE
12 x 18" White Foam Board. 3/16" thick.
.1875" thick.Acid-free,Lignin-free & Buffered.
All white. Use for 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.
12 x 18" White Foam Board. 3/16" thick.
.1875" thick.Acid-free,Lignin-free & Buffered.
All white. Use for 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.