UV FILTER SPECIFICATIONS
Ultraviolet filter shall be designed to eliminate ultraviolet light harmful to rare objects, fabrics, costumes, paintings, art objects, manuscripts and other materials subject to deterioration when exposed to ultraviolet light.
The UV filter shall reduce the radiation in the wavelength band from 200 to 400 nanometers (nm) to less than 3%. The UV protective material shall be optically clear and manufactured via a deep dye process that fully impregnates the 2 mil thickness of the clear polyester with UV absorbing chemicals. The UV filtering material will not flake, scratch off, rub off, peel off or streak.
The UV filter shall have received approval from ANSI (American National Standards Institute) for protection of stored or displayed photographs. The UV filter will have passed the ANSI tests method IT9.2, Photographic Processed Films, Plates and Papers, Filing Enclosures and Storage Containers (known as the Photo Activity Test).
Ultraviolet filter materials shall be supplied in sheets of 20" x 24" wide, rolls 24" x 50 feet long, rolls 48" x 25 feet long, rolls 24" x 198" long and in T-12 Tube configuration as manufactured by GAMPRODUCTS, INC., Hollywood, California.
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