Polypropylene Sheet Protectors... Our classic welded polypropylene sheet protectors have become the industry standard for quality. Packed in tens in a metallic, reusable bag. Archival quality heavy-duty .0045 polypropylene. Inert, unplasticized, heat resistant and chemically stable. 10 pt. black acid and lignin-free paper. Both plastic and paper pass the Photographic Activity Test (PAT) and meet all ANSI requirements for archival storage.
Polypropylene Sheet Protectors... Our classic welded polypropylene sheet protectors have become the industry standard for quality. Packed in tens in a metallic, reusable bag. Archival quality heavy-duty .0045 polypropylene. ...
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