BACKINGS for 18 x 24" Prints & Posters. .125" thick "Banner Blue" Corrugated Cardboard. Acid-fre, lignin-free & buffered. Indefinite Storage.
DETAILS
MUSEUM GRADE
18 x 24" Poster Backings
.125" thick B-flute Archival Corrugated Cardboard.
"Banner Blue". Indefinite Storage.
These corrugated cardboard boards are made from virgin fibers that are acid—and lignin-free. They are buffered with 3% Calcium carbonate, which provides a pH of 7.5-9.5. They are sturdy and lightweight, making them a perfect choice for a print or poster backing board.
18 x 24" Poster Backings
.125" thick B-flute Archival Corrugated Cardboard.
"Banner Blue". Indefinite Storage.
These corrugated cardboard boards are made from virgin fibers that are acid—and lignin-free. They are buffered with 3% Calcium carbonate, which provides a pH of 7.5-9.5. They are sturdy and lightweight, making them a perfect choice for a print or poster backing board.