Description
1500 micron Solid Core Black Conservation Mount Board. 800x1200mm. Sold in packs of 5 sheets.
Board
• 100% bleached cellulose
• without the usage of recycling fibres
• free of wooden fibres
• Kappa level 1 – 2 = lignin-free
• pH approx. 8.0 = acid-free (in accordance with ISO 6588-1:2020)
• alkaline buffer > 3% natural calcium carbonate (GCC)
• light-fastness approx. 7 – 8 (= extremely good) in accordance with the wool scale (EN
ISO 105-B02)
• Photographic Activity Test (PAT) passed in accordance with ISO 18916:2007
• without optical brightening agents
Glue used for lamination
• dispersion glue free of solvents and plasticizers (softening agents)
• pH approx. 7.0
• Photographic Activity Test (PAT) passed in accordance with ISO 18916:2007
This quality corresponds to the technological basis of the following standards:
DIN EN ISO 9706 Information and documentation – Paper for documents – Requirements for permanence
ANSI/ NISO Z.39.48 American National Standard for Permanence of Paper for Publications and Documents in Libraries and Archives
DIN 6738:2007 Highest level of permanency LDK 24-85