Archival Methods Side Loading Film Sleeve Polypropylene, 4x5", Pack of 50
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Archival Methods Side Loading Film Sleeve Polypropylene, 4x5", Pack of 50
Features: Film sleeves are available in archivally safe clear 3 mil Polypropylene or uncoated Melinex 516 Polyester (Dupont's replacement for Mylar D). A self-locking side fold, as shown, holds each piece of film in place. Sleeves "unlock" to open completely for safer film removal, avoiding the need to slide your negative into or out of the sleeve. Neither material - polypropylene or polyester - will interact with film, and both will prevent interaction between adjacent negatives while in long-term storage. Choose Polypropylene for economy or Polyester ("Mylar D") if the very highest level of optical clarity is required.