Business Source 28559 11" Round Ring Binder Black
- Vinyl
- Binder Rings
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Holds two 8x11 inch prints per pocket in a 50-pack of 9 mill archival polypropylene pages
Archival Methods Print Pages are archival-grade polypropylene sleeves designed to organize and protect conventional or digital prints, 35mm slides and documents. Each pack contains 50 heavy-weight pages with high clarity that resist tearing, wrinkling and distortion. The three-hole punched format fits Collector Grade Binders, Metal Edge BinderBox and Onyx Binder Portfolio systems. Pages hold two 8x11 inch prints back to back for efficient storage.
The polypropylene material measures 115 micron or .0045 inch per pocket side, giving a total page thickness of 9 mill. This heavier gauge prevents the sleeves from tearing, wrinkling or distorting during regular handling and filing. The archivally-safe composition protects prints and slides from damage without off-gassing or chemical interaction. High clarity ensures clear visibility of stored items without removing them from the protective pockets.
Under continuous use in binder systems the pages maintain their structural integrity and protective qualities over time. The reinforced polypropylene resists degradation from repeated page turns and environmental exposure. Each pocket consistently holds two prints back to back or twenty mounted 35mm slides without stretching or compromising the archival barrier. The three-hole punched edges remain intact through extended filing cycles.
Measured against everything we stock in Ring Binders & Sheet Protectors, at today’s prices. Recalculated every night.
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Align the three pre-punched holes with the binder rings and press evenly across the 115 micron polypropylene; forcing one corner first causes the heavy-weight material to stretch and tear.
The archivally-safe polypropylene resists tearing, wrinkling and distortion under normal handling; replace only if physical damage occurs or clarity degrades from surface abrasion.
Each pocket holds two 8x11 inch prints back-to-back, so the 50-page pack accommodates 11 x 50 individual sheets before ring capacity or shelf depth becomes the constraint.
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