Page 30 - Bresciani Paper Conservation

Backing board
BRESCIANI
Materiali ed Attrezzature
per il Restauro e la Conservazione
K07 – natural grey/grey blue
An economically priced backing board in natural white/grey-blue, specially developed for conservation quality picture framing and mounting. The board is free of optical brightening agents and has passed the Photographic Activity Test (PAT) in accordance with ISO 18916.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 < 5
•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)
•Top surface sizing: Cobb60 in accordance with ISO 535 < 25
•Without optical brightening agents (OBA-free)
•Lightfastness 7-8 (= extremely good) in accordance with the wool scale (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
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 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)
Shts./unit
Colour
K0747-270
2.7
101 x 141
1810
5
Natural white/ 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.29/97