Page 171 - Bresciani Paper Conservation

BOXES
BRESCIANI
Materiali ed Attrezzature
per il Restauro e la Conservazione
KS3 Clamshell Box for film reel storage
A clamshell case enclosing 14 or 26 small folder type boxes – for storing 16 mm and 35 mm film reels. The small folder type boxes are made from ageing resistant natural white coloured photographic archival board, without an alkaline buffer and with a thickness of 0.5 mm. The clamshell case itself is made of corrugated board, MW 1.6 mm.
Base paper box
•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 > 2 % 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 8 (= excellent) in accordance with the wool scale (ISO 12040:1998)
•No bleeding in accordance with DIN ISO 16245:2012
•High abrasion resistance in accordance with DIN 53109:2008
•Photographic Activity Test (PAT) passed in accordance with ISO 18916:2007
Glue used for the corrugated board
•Native potato starch
•pH > 8.0 •Moisture-proof gumming
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
Board
• 100 % bleached cellulose
• Without the usage of recycling fibres
• Free of wooden fibres
• Kappa level 1 - 2 = lignin-free
• pH 7.0 = acid-free (in accordance with ISO 6588-1:2012)
• Without alkaline reserve (buffer)
• Sizing: neutral/synthetic (without alum additive)
• Without optical brightening agents (OBA-free)
• Photographic Activity Test (PAT) passed in accordance with ISO 18916:2007
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.73/80