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A clamshell storage box with round about double walled construction for added strength. Smooth interior surfaces. Available with drop front on the long side. Very suitable for storing microfiche files, postcards and film negatives. Also available with partitions. Many formats and sizes readily available.
We confirm that our board and paper qualities and the products manufactured from them meet the following conditions:
100 % bleached cellulose (alpha cellulose)
without usage of recycled fibres
lignin-free ( free from wooden fibres)
acid-free; pH value 8,0 - 9,5 and in accordance with ISO 6588-1-2005 cold extract
Buffer sunbstance > 2 % natural calcium carbonate (GCC)
neutral / synthetic sizing (without alum additive)
with PAT certificate.
Herewith we guarantee that our board and paper qualities correspond to the technological basis of the ISO 9706 standard as well as to the DIN 6738 LDK 12-80 standard, which is the highest level of permanency.
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