Page 62 - Bresciani Paper Conservation

Corrugated board
Top ply 365 gsm conservation board K017-05 natural white
e-flute 135 gsm natural white
Intermediate ply 190 gsm natural white B-flute 135 gsm natural white
Lower ply 190 gsm natural white
BRESCIANI
Materiali ed Attrezzature
per il Restauro e la Conservazione
K021-031 –EB 5.0 mm
Double corrugated board made from ageing resistant board material, total weight 5.0 mm, natural white in colour. Flute thickness 3.0 and 1.5 mm. Top ply made from 365 gsm conservation board, natural white, ageing resistant in accordance with ISO 9706, excellent flatness, breathable. 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 EB 5.0 mm – short grain "SG"
Items K021-031176 Top ply natural white; base offwhite “Dimension A“ defines the flute length (A = 180 cm)
“Dimension B“ defines the cut-off length (B = 120 cm)
Synatx A x B cm = 180 x 120 cm,
The syntax is also applicable for the paper grain direction. All the five plies of paper are cut short grain
Item
Thickness (mm)
Size (cm)
Weight (gsm)
Shts./unit
Colour
K021-31176
5.0
180 x 120
1160
10
top ply: natural white, base: offwhite
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.61/97