Storage Boxes
True-Core™ archive-safe boxes with uniform, acid-free and lignin-free protection in every layer (not just on the surface like other boxboards). Use our True-Core™ Boxboard Specifications to select the storage box to best fit your needs.
TrueCore™ Boxboard Specifications | ||
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Color |
Tan Light-fast, non-bleeding |
Black Pigment-based, light-fast |
Finish | Smooth plate finish on both sides | 6 pt. black paper laminated on acid-free black core |
Thickness | .020, .040, and .060 | .057 total |
Sulfur Content | Less than .0008% reducible sulfur | Less than .0008% reducible sulfur |
pH | pH 8.5 to 10.0, buffered with calcium carbonate, 3% reserve | pH 8.0 to 9.5, buffered with calcium carbonate,3% reserve |
Board Material | Acid- and lignin-free, high alpha-cellulose purified pulp, no alum sizing | Acid- and lignin-free, 100% virgin fiber, high alpha-cellulose purified pulp |
Photographic Activity Test | Passes P.A.T., ANSI IT9.2 | Passes P.A.T., ANSI IT9.2 |