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PORTFOLIOS & CASES
ONYX PORTFOLIO BOXES
Onyx Portfolio 2″
Portfolio boxes are ideal for storing matted or un-matted prints. They are often the best choice when presentation is a important a factor. Ruggedly constructed with strong hinge section, along the longest side, withstands repeated opening and closing. Select white or black lining.
Interior dimensions provided in inches.
Hinged clamshell design allows top to fold open and lie flat, providing easy access to art work. This design facilitates transfer of stored items from one side to the other for smooth and professional presentation. An additional and important benefit is that prints are subject to less physical handling reducing the risk of damage.
Read our Archival Solution of the Week Blog: Archival Solution of the Week
Watch Archival Methods’ short video Onyx Portfolios
pH: 9.0 (+-).5 buffered with calcium carbonate, 3% reserve.
Box core is Kappa binder’s board (.100), a bookmaking board with no glue between layers.
Lined with 80 lb. acid- and lignin-free paper
PAT tested and passed
Covered in library quality F-Grade Buckram (poly-cotton) with a moisture-resistant, 100% aqueous acrylic coating.
Adhesive is pH balanced and buffered, <.0008% sulfur content.
Close-tolerance construction to keep out dust
All dimensions are interior portfolio sizes