What are the differences between polyester, polypropylene and polyethylene films?
DuPont Melinex 516 is an archival quality polyester film that contains no plasticizers or surface coatings. Like Melinex, untreated polypropylene is inert, and provides excellent archival protection. Many archivists prefer polyester because of its greater stiffness and slightly greater clarity. The advantage of polypropylene and polyethylene is a lower price. These films provide excellent archival protection for documents and photographs while allowing these items to be viewed without removal from the protective storage product. Our Archival Polyester Enclosures include envelopes, L-sleeves, binder pages, processing folders, map folders, sheets and rolls. Polyester sheets and rolls can be used to make book covers, shelf and drawer covers, slipcases, over wraps and interleaving sheets. Our Archival Polypropylene Enclosures include sleeves, envelopes, binder pages and pamphlet jackets. In addition to Archival Polyethylene Photo Envelopes, we also carry a large range of Archival Polyethyl
