Safely store a variety of artwork in the gray, 20.5 x 24.5" Deep 3" Flat Storage Box with Full Top from Archival Methods. The box is metal edged for durability, and has a removable top for faster loading. Archival-grade boxboard ensures proper storage.
Gray archival-grade boxboard - 0.055"
Smooth plate finish free from knots, shives, and abrasive particles
Made from fully bleached, high alpha cellulose pulp.
Does not contain any post-consumer waste recycled pulp
Free of metal particles, waxes, plasticizers, residual bleach, peroxide
Sulfur content less than 0.0008% reducible sulfur
Lignin content with a Kappa number of 5 or less
Low iron levels and no optical brightening agents
Contains a minimum of 3% calcium carbonate (CaCO3) with a pH range 8-9.5
Alkaline or neutral sizing
No alum rosin or rosin sizing
Lightfast, non-bleeding dyes
Will not degrade or cause harm to artifacts stored in boxes
Passes the PAT (Photographic Activity Test) ISO 14523
UPC: 813903029470