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PRODUCT DESCRIPTIONS
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ARKLITES™ are made from 1-mil thick Mylar® D. Lightweight and easily affordable, these sleeves offer hundreds of times the archival storage protection of non-archival polypropylene and polyethylene bags. Use Arklites™ for your more common comic books. Comes with a 1 1/2" flap that can easily be folded or taped closed.
GARDS™ Sleeves made from 4 mil thick Mylar® type D with rounded corner cut tabs, allowing for easy insertion and removal of paper ephemera.
COMIC-GARDS™ are made from 4-mil thick Mylar® D with a rounded corner cut tab allowing for easy insertion and removal of your valuable collectibles. Use Comic-Gards™ for long-term storage of your more valuable comic books.
TIME-LOKS® are our best R-KivalTM Sleeves. They are made from 4 mil-thick Mylar® D with a pre-folded flap to lock in protection. Our exclusive Ultraweld™ technology makes our seams the strongest in the industry. Use Time-Loks™ as permanent storage for your most treasured comic books.
* Dimensions may vary + or - 1/8"
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THIN-X-TENDERS™ is a white 24 mil thick acid free backing board, economically priced to be competitive with the so called acid free at time of manufacture backing boards. Thin-X-Tenders™ is an inexpensive alternative without sacrificing archival quality protection
TIME-X-TENDERS™ is a pure, bright white heavy weight board (42 mil thick) and is the highest quality board available.
LIFE-X-TENDERS™ This ultimate acid free backing board is made with a thin layer of activated charcoal laminated between two sheets of true archival acid free boards. Life-X-Tenders™ absorbs and neutralizes the contaminants in comic book pages and retards the aging process.
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Preservation Terms
ACID FREE: A definition of materials having a pH of 8.0 or greater with a minimum Calcium Carbonate buffer of 3%.
ARCHIVAL:
When used in reference to plastic, ARCHIVAL/ARCHIVAL QUALITY/ARCHIVAL SAFE are terms used to describe products that can be safely used for preservation purposes. They must be durable, chemically stable, and meet strict specifications as set forth by the U.S. Library of Congress and the U.S. National Archives.
Their standards for ARCHIVAL polyester film sleeves are "Must be a clear, colorless, (biaxially oriented/stressed drawn) polyethylene terephthalate film such as DuPont's Mylar® type D, ICI's Melinex® 516 or the equivalent. The film must not contain any plasticizers, surface coatings, UV inhibitors, or absorbents. Material must be guaranteed to be non-yellowing at ambient temperatures with natural aging, dimensionally stable, and resistant to most chemicals, moisture and abrasion."
All of the above specifications must be included in order to be called ARCHIVAL SAFE. For example, if the presence of a UV inhibitor or surface coatings are found on the material, it is not considered to be ARCHIVAL even though the material may have a poly(ethylene-terephthlate) base.
Although there are many types of polyethylene terephthalate film, only Mylar® type D and Melinex® 516 meet the above specifications.
MYLAR®: The trade name of Duponts polyethylene terephthalate. Although there are many types of Mylar® only Mylar® type D is suitable for archival preservation. (See Archival)
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