Page 132 - Bresciani Paper Conservation

BOXES
BRESCIANI
Materiali ed Attrezzature
per il Restauro e la Conservazione
KS17 Clamshell Box
A tightly closing, dustproof clamshell box for books, photographs and loose and unbound objects. Closed, the box has a roundabout, four-fold walled construction for additional strength. Delivery with or without slits for flap inserts. Also available with an additional base support.
Products are made from the KLUG standard assortment of corrugated board types MW 1.6, MW 1.8 and FW 3.0, ageing resistant and with guaranteed permanency in accordance with ISO 9706. The KS 17 clamshell type storage box can also be made from other material types, including solid board.
Base paper
•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
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.34/80