Page 175 - Bresciani Paper Conservation

TUBES
BRESCIANI
Materiali ed Attrezzature
per il Restauro e la Conservazione
K01911 Conservation board tube
Archival storage tubes made from spiral-wound, natural white, ageing resistant conservation board. Board plies are glued with a quality tested lamination glue, pH-neutral and free of softening agents. Cutting to customer size on request, tubes available in various diameter sizes and can be cut to a max. length of 10 m. Tube inserts (joining segments) are also available to extend the lengths of 150/200 mm diameter tubes to a max. of 4200 mm.
Base paper (K017)
•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 > 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)
•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
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
Standard formats
Item
Wall Thick. (mm)
Tube diameter Ø (mm)
Length (mm)
Q.ty/unit
Colour
K01911-101
2.0
Ø 100
2100
1 tube
natural white
K01911-121
2.0
Ø 120
2100
1 tube
natural white
K01911-145
2.5
Ø 145
500
1 tube insert
natural white
K01911-151
2.0
Ø 150
2100
1 tube
natural white
K01911-190
5.0
Ø 190
500
1 tube insert
natural white
K01911-201
2.5
Ø 200
2100
1 tube
natural white
K01911-301
3.0
Ø 300
2500
1 tube
natural white
All the tubes can be cut on demand
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.77/80