Masaccio Duralong Special Self-Assembly Box with Back Light Gray 1.4 mm 436x292x83 mm

“Masaccio” pop-up backpack boxes are made of DuralongSpecial archival board and Duralong Basic economy board, ideal for long-term horizontal storage. The falling spine enables safe insertion and removal of artifacts and provides a microenvironment within the box, protected from chemical-physical changes (dust, light, environmental pollutants). Extremely strong and rigid with double thickness walls on three sides of the base and a lid. It is easy to install thanks to small self-blocking wings that can be attached to double walls.

TECHNICIAL SPECIFICATIONS

• Duralong Special Sheet
• Size 436x292x83 mm
• Internal size 458x302x88 mm
• 100% Cellulose
• Buffered (calcium carbonate reserve)
• pH 8,5 – 9,0