Page 139 - Bresciani Paper Conservation
P. 139
BRESCIANI
Materiali ed Attrezzature
per il Restauro e la Conservazione
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
Glue
•Glue based on ethylene venyl acetate copolymer •Free of plasticizers (softening agents) •aqueous-based
•Can remain open for a long time
•pH between 7.0 and 7.5
•Sugar solution and alcohol additives to control the opening time
•Solid content 64 %
•Viscosity at 20° Celcius is approx. 6250 mPa/s
•Dilution with water up to 10 % possible
•Photographic Activity Test (PAT) passed in accordance with ISO 18916:2007
Lino Auster 405
•Warp: cotton
•15 warp threads per cm2
•Filling thread (weft thread): linen/viscose
•13 filling threads per cm2
•Thickness: 0.42 mm
•Weight 260 gsm
•Lightfastness 5 - 6 (good - very good) in accordance with the wool scale (ISO 105- B02)
•Impregnation finish with potato starch derivative
Paper used for lamination
•35 gsm, pH neutral
Adhesive used for lamination
•PVAc-based dispersion glue
•pH 8.0
•Free of softeners and plasticizers
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.41/80
