CLEAR ACID FREE CELLO ARCHIVAL DISPLAY STORAGE CELLOPHANE ENVELOPE. ACID FREE LIGNIN FREE - CELLOPHANE ENVELOPE. Clear Cellophane. Acid free materials have a pH balance of 7.0 or higher. The scale runs from 0 to 14, with 7 being neutral.
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Journal of Film Preservation - FIAF
ClearBags Seal Top Closure Bags, Perfect Fit for 4x6
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24 X 30 Archival Display Storage Envelope Acid Free Crystal Clear Cellophane $98.99 - PicClick
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Collectible Movie Poster & Ephemera Storage
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50 27 X 41 LOBBY CARD MOVIE POSTER ARCHIVAL ACID FREE CLEAR
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