Page 31 - Bresciani Paper Conservation

Archival board
BRESCIANI
Materiali ed Attrezzature
per il Restauro e la Conservazione
K047 – grey-blue
A grey-blue coloured (dyed throughout) board with special surface treatment, extremely dirt-resistant, erasable and rub-proof (dry wiping). Excellent grooving/creasing characteristics due to high long-fibre content. 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)
• 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
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
Item
Thickness (mm)
Size (cm)
Weight (gsm)
Grain
Shts./unit
Colour
K047-24012
0.25
90 x 120
240
long grain
25
Solid grey-blue
K047-24013
0.25
100 x 140
240
long grain
25
Solid grey-blue
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.30/97