Rolls Arch-CR Ultimate Archive Board LOC Cream 400 x 550mm Pack of 50

Ultimate Archive Board - LOC Cream 400 x 550mm - Pack of 50.
Library of Congress paper stock is produced to the demanding specifications of
the Library of Congress to provide the highest level of archival attributes of any
sheet on the market. The Library of Congress has exacting specifications for the
storage and keeping of documents, pictures and films for extended periods of time.
The product must pass the Photographic Activity Test (PAT Test) as performed by
Rochester Institute of Technology’s Institute of Paper Permanence. Paper cannot
fade or bleed, and must pass strict metallic impurities specifications which can
cause damage to photos, films and documents.

Applications

• Long Term Document Storage
• Stiffening and support inserts for sleeves, sheet protectors and pocketed pages
• Album pages for mounting photographs or documents
• Acid free backing in picture frames
• Can be written on to add titles, identification information, etc

Specifications

• Acid-free and Lignin-free (ASTM D1030/ISO 302)
• Passes P.A.T (Photographic activity test) (ISO 18916)
• Lightfast and bleedproof pigments - min 5 BlueWool Scale test (BS1006.97 & TAPPI T475)
• Neatral AKD internal sizing, External Tub sized starch
• Buffered (average 3%) Calcium Carbonate (ISO 9706)
• High persentage long kraft fibres
• Alpha Cellulose above 87%
• Reducible sulphur less than 0.8 parts per million (0.0008%) (TAPPI T406)
• Free from metallic impurities - Iron <150ppm and copper <6ppm (TAPPI T266)
• No added optical brightening agents
• Passes silver tarnish test (ASTM D2043)
• Colour: Cream
• GSM: 240
• Size: 400 x 550mm
• Other sizes available upon request, minimum quantities apply