Page 33 - Bresciani Paper Conservation

Archival board
BRESCIANI
Materiali ed Attrezzature
per il Restauro e la Conservazione
K04799 – grey-blue/natural white
Archival board, grey-blue/natural white coloured, with a soft core. Top surface smooth, dirt-resistant, erasable and rub-proof. Excellent grooving and punching characteristics due to balanced transverse-longitudinal grain direction and high long-fibre content. Ideal as boxboard material for the manufacture of archival folders and boxes of high material thicknesses. The board is free of optical brightening agents and has passed the Photographic Activity Test (PAT) in accordance with ISO 18916.
Cuttings: For orders > 1 packaging unit, rough and readily cuts free of charge. Other sizes on request.
• 100 % bleached cellulose
• Without the usage of recycling fibres
• Free of wooden fibres
• Kappa level 1 – 2 = lignin-free
• pH 7.5 – 10.0 = acid-free (in accordance with ISO 6588-1:2005)
• Alkaline buffer > 3 % natural calcium carbonate (GCC)
• Sizing: neutral/synthetic (without alum additive)
• Sizing according to Cobb60 < 25
• Without optical brightening agents (OBA-free)
• Lightfastness approx. 7 – 8 (= extremely good) in accordance with the wool scale (EN ISO 105-B02)
• Top ply solid grey-blue, base ply natural white
• No bleeding in accordance with DIN ISO 16245:2012
• Special surface strengthening (dirt-resistant and erasable)
• Photographic Activity Test (PAT) passed in accordance with ISO 18916:2007
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
DIN EN ISO 9706:2010 Information and documentation – Paper for documents – Requirements for permanence
DIN ISO 16245:2012 Information and documentation – Boxes, file covers and other enclosures, made from cellulosic
materials, for storage of paper and parchment documents.
ANSI/ NISO Z.39.48:1992 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
BRESCIANI s.r.l. - via Breda 142 - 20126 Milano - tel. 02.27002121 r.a. - fax 02.2576184 www.brescianisrl.it - e-mail: info@brescianisrl.it Pag.32/97