Adhesive BF-2 is a solution of polyvinyl acetals with resole phenol-formaldehyde resins. Adhesives are manufactured in accordance with GOST 12172 and the approved process regulations.
Category: Phenol-Formaldehyde Adhesives
Purpose: Industry
Purpose: Restoration
Purpose: Electronics
Technical Specifications
Main purpose and application
Technical Specifications
1. Appearance: Transparent or slightly cloudy liquid ranging from light yellow to reddish color. 2. Conditional viscosity (VZ-246 viscometer, nozzle diameter 6 mm), s: 25–55 3. Mass fraction of solids, %: 14.0–17.0 4. Shear strength of adhesive joint, MPa, not less than, at test temperature: 20°C – 19.6 60°C – not determined 80°C – 9.8 5. Flexibility of adhesive film after curing, mm, not more than: 3 6. Heat resistance of adhesive film after curing and aging: not determined 7. Corrosive activity on aluminum alloy specimens: absent