BACKINGS for 18 x 24" Prints. 18 x 24". .1875" thick Foam Board. Acid-free & Buffered. All white. Indefinite Storage.
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MUSEUM GRADE
18 x 24" Foam Board Backings
.1875" (3/8"). Acid-free, lignin-free & 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.
18 x 24" Foam Board Backings
.1875" (3/8"). Acid-free, lignin-free & 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.
Material: Foamboard
Thickness: .1875"
Color: White
Width: 18
Height: 24
PH Level: 7.5 - 8.5
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: No