For easy application, BEVA 371 solution has been sprayed into film form for easy workability without the use of flammable solvents, and in applications where liquid Beva may not be suitable.
Transparent, ideal for relining dark canvas with Mylar or Stabiltex. Very smooth, will not trap air bubbles, not tacky at room temperature, non-toxic, non-flammable. Most often activated by the use of heat thus eliminating the need for ventilation of evaporated solvents.
1 mils (.0010\") (12.5 microns) thickness suitable for mounting of lightweight papers and fabrics.
2.5 mils (.0025\") (67 microns) thickness is for use on canvas and heavyweight materials.
The 2.5 mils is also available in 54\" wide rolls, eliminating the need for multiple strips of adhesive on larger surfaces. This product has the same properties including reversibility as BEVA 371 solution.
The new Beva 371 27\" Master Roll is 510 ft and the new 54\" Master Roll is 309 ft, economical alternatives when working large scale.
Please note that this materials activates at 65C (150F).
This is the most currently produced version of the Beva 371 formula: BEVA 371 Akron
Beva 371 (original) formula was made with Elvax 150, AC400, Laropal K80, Cellolyn, and wax. Beva 371b was made between 2009-2021. This formula contained Elvax 150, AC400, TegoVariplus, Cellolyn, and wax. The Laropal K80 went out of production and was replaced by TegoVariplus which had a yellowish color. Beva 371a was produced from 2021-2025. This contains Elvax 150, AC400, Laropal A81, Cellolyn, and wax. The Laropal A81 has clear/white color eliminating the previously substituted TegoVariplus resin which had a yelloish color.
The current version is BEVA 371 Akron, which has been optimized for heat-set activation at 65C and is the result of research carried out in collaboration with The Conservation Center at the Institute of FineArts, New York University and The School of Polymer Science and Polymer Engineering, University of Akron, through the Gerry Foundation's Conservation Canvas initiative.
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Convenient double sided tapes in narrow widths with three adhesive options. Great for use of paper, prints, photographs and other mounting applications. The Gudy DS products feature a solvent-free, ageing resistant, and permanently elastic adhesive that does not become brittle or bleed over time. All types of Gudy DS have passed the Photo Activity Test (ISO 18916) and wound on rolls with a silicone paper backing on one side.
The Gudy DS 10 (Reversible / Reversible) features a removable adhesive on both sides that has a reduced initial tack that can be removed or repositioned from smooth surfaces for up to 24 hours. After this time the bond will increase.
The Gudy DS 11 (Reversible / Permanent) features a removable adhesive on one side, and a permanent adhesive on the other. The removable side has a reduced initial tack that can be removed or repositioned from smooth surfaces for up to 24 hours, while the other side bonds permanently right away. After 24 hours both sides will have the same bond.
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All rolls are 33m long.
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