This .020 sandstone archival board folder has a 3-mil polyester sleeve that wraps around the .020 sandstone
archival board backer which is attached to the folder. The sleeve can be fully opened from the short side of the
folder. The folder can be used with landscape or portrait formats to allow the folder to stand open during
exhibit. The protective folder can be closed for shelving or box storage when your exhibit is concluded. The
lock tab stand that steadies the open folder in a tent position during exhibit folds in to secure the material on the
edge when shelved.
- Constructed of .020 sandstone archival board and stable, inert 3-mil polyester.
- 8.5pH sandstone archival board contains 3% calcium carbonate reserve, is acid-free and has non-
- Polyester meets standards for plastic enclosures in ISO 18902
- Acid-free acrylic adhesive will not dry up, crack or yellow.
- Passes P.A.T. test