Page 65 - Bresciani Paper Conservation
P. 65
Corrugated board
BRESCIANI
Materiali ed Attrezzature
per il Restauro e la Conservazione
K021-031 –EBB 8.0 mm
Triple corrugated board made from ageing resistant board material, total thickness 8.0 mm, natural white in colour. Flutes in crosswise direction with thicknesses 3.0, 1.5 and 3.0 mm. Top liner made from conservation board, weight 365 gsm, natural white in colour, ageing resistant in accordance with ISO 9706, excellent flatness and breathable.This corrugated board quality is the basic material used for making archival boxes, files, folders and is also ideal as frame backings for conservation quality picture framing.
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)
• Without optical brightening agents (OBA-free)
• Photographic Activity Test (PAT) passed in accordance with ISO 18916:2007
Glue used for the corrugated board • Starch-based adhesive
• pH > 8.0
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
Corrugated board EBB 8.0 mm – long grain "LG"
Items K021-313117 Top ply natural white; base offwhite “Dimension A“ defines the flute length (A = 100 cm)
“Dimension B“ defines the cut-off length (B = 172 cm)
Synatx A x B cm = 100 x 172 cm,
The syntax is also applicable for the paper grain direction. All the eight plies of paper are cut long grain
Item
Thickness (mm)
Size (cm)
Weight (gsm)
Shts./unit
Colour
K021-313117
8.0
100 x 172
1735
7
top ply: natural white, base: off white
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.64/97