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- LN 695-371: Beva® 371 Film - Adhesive Film. 686mm x 63.5?m (2.5mil) 6m Roll.
Product Description
LN 695-371: Beva® 371 Film - Adhesive Film. 686mm x 63.5?m (2.5mil) 6m Roll.
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Product Code : LN 695-371 Availability :
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LN 695-371: Beva® 371 Adhesive Film 686mm x 6m Roll 63.5 micron (2.5mil).
Beva® 371 Adhesive Film comes sandwiched between a white silicone-coated paper and a silicone-coated polyester release sheet. The Beva® Film and its release sheet are completely transparent and dimensionally stable. If wider sizes are required, two or more pieces of Beva® Film may be joined by taping them together from the back of the polyester release sheet.
The heat seal adhesive developed by Gustav A. Berger of New York, created specifically for conservation applications is activated with a tacking iron or hot air blower and the support film removed. Since it is not a liquid it can be cut and applied to small, well defined areas, with no fear of it spreading or bubbling. It is widely used for the lining of oil paintings, heat seal facings and the making of laminates with fibreglass etc. It is applied cold and causes no contractions, expansion or softening of the materials to which it is applied making its application possible on even the most delicate surfaces. Shrinking and distortion is minimal and heat sealing can be done days or weeks after application.
Since Beva® 371 is completely dry at room temperature, it is easy to reassemble fragments and secure them in the right position with a tacking iron. Beva® 371 is reversible and errors can be easily corrected even after heat sealing. It is easy to remove and can be remelted whenever needed. The large proportion of low molecular substances in the formulation enables it to maintain low viscosity when used hot or dissolved in harmless petroleum fractions. This makes impregnation and consolidation of paint layers and canvas possible at every stage of the lining process and afterwards if needed. Beva® 371 can be applied by brush, paint roller or spray without impregnation of solvents. It is possible to lower the heat sealing temperature by using Beva® 371 films half dry or moistened with sprayed on petroleum fractions.
