Used in all our screwpost books, the 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. ___________________________________________________________ Primarily used in multi-ring mechanisms, the folded POLYESTER sheet protectors represent excellent clarity and excellent value. Protect your artwork and documents with archival construction. Non-stick finish prevents adhesion to artwork. Scratch-resistant material makes artwork or documents look better longer. Thicker, blacker liner sheet provides more support for fragile or thin artwork. Packed in tens in a metallic, reusable bag. Archival grade DuPont polyester (polyethylene terephthalate). High transparency and tensile strength, non-yellowing at ambient temperatures, chemically and dimensionally stable, resistant to most chemicals, moisture and abrasion. Approved by the Library of Congress for archival storage. 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. ________________________________________________________ Glossary: The term "Portrait" refers to a vertical layout, and the term "Landscape" refers to a horizontal layout. ________________________________________________________ All items are in-stock, unless otherwise noted on item. |